0.5.0

fix(solver): replace exponential IDDFS recursion with instantaneous heuristic simulation macros
feat: reposition solver controls to a dropdown
2026-02-23 22:04:49 +00:00 · 2026-02-23 22:04:41 +00:00 · 2026-02-23 21:49:21 +00:00 · 2026-02-23 19:42:40 +00:00 · 2026-02-23 19:42:19 +00:00 · 2026-02-23 17:28:33 +00:00
42 changed files with 7511 additions and 1005 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -24,3 +24,4 @@ dist-ssr
 *.sw?

 .agent/
+cache/
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
  "name": "rubic-cube",
  "private": true,
-  "version": "0.3.0",
+  "version": "0.5.0",
  "type": "module",
  "scripts": {
    "dev": "vite",
@@ -9,8 +9,8 @@
    "preview": "vite preview"
  },
  "dependencies": {
+    "cubejs": "^1.3.2",
    "lucide-vue-next": "^0.564.0",
-    "rubiks-js": "^1.0.0",
    "vue": "^3.5.13"
  },
  "devDependencies": {
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,7 +1,7 @@
 <script setup>
-import SmartCube from './components/renderers/SmartCube.vue'
-import NavBar from './components/NavBar.vue'
-import Footer from './components/Footer.vue'
+import SmartCube from "./components/renderers/SmartCube.vue";
+import NavBar from "./components/NavBar.vue";
+import Footer from "./components/Footer.vue";
 </script>

 <template>
--- a/src/components/NavBar.vue
+++ b/src/components/NavBar.vue
@@ -1,16 +1,16 @@
 <script setup>
-import { Sun, Moon, Grid2x2 } from 'lucide-vue-next';
-import { ref, onMounted } from 'vue';
-import { useSettings } from '../composables/useSettings';
+import { Sun, Moon, Grid2x2 } from "lucide-vue-next";
+import { ref, onMounted } from "vue";
+import { useSettings } from "../composables/useSettings";

 const { isCubeTranslucent, toggleCubeTranslucent } = useSettings();
 const isDark = ref(true);

 const setTheme = (dark) => {
  isDark.value = dark;
-  const theme = dark ? 'dark' : 'light';
+  const theme = dark ? "dark" : "light";
  document.documentElement.dataset.theme = theme;
-  localStorage.setItem('theme', theme);
+  localStorage.setItem("theme", theme);
 };

 const toggleTheme = () => {
@@ -18,9 +18,9 @@ const toggleTheme = () => {
 };

 onMounted(() => {
-  const savedTheme = localStorage.getItem('theme');
+  const savedTheme = localStorage.getItem("theme");
  if (savedTheme) {
-    setTheme(savedTheme === 'dark');
+    setTheme(savedTheme === "dark");
  } else {
    setTheme(true);
  }
@@ -38,14 +38,22 @@ onMounted(() => {
      <button
        class="btn-neon nav-btn icon-only"
        @click="toggleCubeTranslucent"
-        :title="isCubeTranslucent ? 'Wyłącz przezroczystość kostki' : 'Włącz przezroczystość kostki'"
+        :title="
+          isCubeTranslucent
+            ? 'Wyłącz przezroczystość kostki'
+            : 'Włącz przezroczystość kostki'
+        "
        :class="{ active: isCubeTranslucent }"
      >
        <Grid2x2 :size="20" />
      </button>

      <!-- Theme Toggle -->
-      <button class="btn-neon nav-btn icon-only" @click="toggleTheme" :title="isDark ? 'Przełącz na jasny' : 'Przełącz na ciemny'">
+      <button
+        class="btn-neon nav-btn icon-only"
+        @click="toggleTheme"
+        :title="isDark ? 'Przełącz na jasny' : 'Przełącz na ciemny'"
+      >
        <Sun v-if="isDark" :size="20" />
        <Moon v-else :size="20" />
      </button>
--- a/src/components/common/Line3D.vue
+++ b/src/components/common/Line3D.vue
@@ -1,55 +1,55 @@
 <script setup>
-import { computed } from 'vue';
+import { computed } from "vue";

 const props = defineProps({
  start: {
    type: Object,
-    required: true // {x, y, z}
+    required: true, // {x, y, z}
  },
  end: {
    type: Object,
-    required: true // {x, y, z}
+    required: true, // {x, y, z}
  },
  color: {
    type: String,
-    default: 'var(--text-color, #fff)'
+    default: "var(--text-color, #fff)",
  },
  thickness: {
    type: Number,
-    default: 1
-  }
+    default: 1,
+  },
 });

 const style = computed(() => {
  const dx = props.end.x - props.start.x;
  const dy = props.end.y - props.start.y;
  const dz = props.end.z - props.start.z;
-  
+
  const length = Math.sqrt(dx * dx + dy * dy + dz * dz);
-  
+
  if (length === 0) return {};

  const midX = (props.start.x + props.end.x) / 2;
  const midY = (props.start.y + props.end.y) / 2;
  const midZ = (props.start.z + props.end.z) / 2;
-  
+
  // Rotation
  // Yaw (around Y axis)
  const yaw = Math.atan2(dz, dx);
  // Pitch (around Z axis)
  const pitch = Math.atan2(dy, Math.sqrt(dx * dx + dz * dz));
-  
+
  return {
    width: `${length}px`,
    height: `${props.thickness}px`,
    backgroundColor: props.color,
-    position: 'absolute',
-    top: '0',
-    left: '0',
-    transformOrigin: 'center center',
+    position: "absolute",
+    top: "0",
+    left: "0",
+    transformOrigin: "center center",
    transform: `translate3d(${midX}px, ${midY}px, ${midZ}px) rotateY(${-yaw}rad) rotateZ(${pitch}rad) translate(-50%, -50%)`,
    opacity: 0.3, // Delicate
-    pointerEvents: 'none'
+    pointerEvents: "none",
  };
 });
 </script>
--- a/src/components/renderers/CubeMoveControls.vue
+++ b/src/components/renderers/CubeMoveControls.vue
@@ -0,0 +1,200 @@
+<script setup>
+import { ref, onMounted, onUnmounted } from "vue";
+const emit = defineEmits(["move", "scramble", "solve"]);
+
+const showSolveDropdown = ref(false);
+
+const toggleDropdown = () => {
+  showSolveDropdown.value = !showSolveDropdown.value;
+};
+
+const triggerSolve = (method) => {
+  showSolveDropdown.value = false;
+  emit("solve", method);
+};
+
+// Close dropdown when clicking outside
+const closeDropdown = (e) => {
+  if (!e.target.closest(".solve-dropdown-wrapper")) {
+    showSolveDropdown.value = false;
+  }
+};
+
+onMounted(() => {
+  document.addEventListener("click", closeDropdown);
+});
+onUnmounted(() => {
+  document.removeEventListener("click", closeDropdown);
+});
+</script>
+
+<template>
+  <div>
+    <div class="controls controls-left">
+      <div class="controls-row">
+        <button class="btn-neon move-btn" @click="emit('move', 'U')">U</button>
+        <button class="btn-neon move-btn" @click="emit('move', 'D')">D</button>
+        <button class="btn-neon move-btn" @click="emit('move', 'L')">L</button>
+      </div>
+      <div class="controls-row">
+        <button class="btn-neon move-btn" @click="emit('move', 'U-prime')">
+          U'
+        </button>
+        <button class="btn-neon move-btn" @click="emit('move', 'D-prime')">
+          D'
+        </button>
+        <button class="btn-neon move-btn" @click="emit('move', 'L-prime')">
+          L'
+        </button>
+      </div>
+      <div class="controls-row">
+        <button class="btn-neon move-btn" @click="emit('move', 'U2')">
+          U2
+        </button>
+        <button class="btn-neon move-btn" @click="emit('move', 'D2')">
+          D2
+        </button>
+        <button class="btn-neon move-btn" @click="emit('move', 'L2')">
+          L2
+        </button>
+      </div>
+    </div>
+
+    <div class="controls controls-right">
+      <div class="controls-row">
+        <button class="btn-neon move-btn" @click="emit('move', 'R')">R</button>
+        <button class="btn-neon move-btn" @click="emit('move', 'F')">F</button>
+        <button class="btn-neon move-btn" @click="emit('move', 'B')">B</button>
+      </div>
+      <div class="controls-row">
+        <button class="btn-neon move-btn" @click="emit('move', 'R-prime')">
+          R'
+        </button>
+        <button class="btn-neon move-btn" @click="emit('move', 'F-prime')">
+          F'
+        </button>
+        <button class="btn-neon move-btn" @click="emit('move', 'B-prime')">
+          B'
+        </button>
+      </div>
+      <div class="controls-row">
+        <button class="btn-neon move-btn" @click="emit('move', 'R2')">
+          R2
+        </button>
+        <button class="btn-neon move-btn" @click="emit('move', 'F2')">
+          F2
+        </button>
+        <button class="btn-neon move-btn" @click="emit('move', 'B2')">
+          B2
+        </button>
+      </div>
+    </div>
+
+    <div class="bottom-left-controls">
+      <div class="solve-dropdown-wrapper">
+        <button class="btn-neon move-btn solve-btn" @click="toggleDropdown">
+          Solve ▾
+        </button>
+        <div v-if="showSolveDropdown" class="solve-dropdown-menu">
+          <button class="dropdown-item" @click="triggerSolve('kociemba')">
+            Kociemba (Optimal)
+          </button>
+          <button class="dropdown-item" @click="triggerSolve('beginner')">
+            Beginner (Human)
+          </button>
+        </div>
+      </div>
+
+      <button class="btn-neon move-btn scramble-btn" @click="emit('scramble')">
+        Scramble
+      </button>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.controls {
+  position: absolute;
+  top: 96px;
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+  z-index: 50;
+}
+
+.controls-left {
+  left: 24px;
+}
+
+.controls-right {
+  right: 24px;
+}
+
+.controls-row {
+  display: flex;
+  gap: 8px;
+  justify-content: center;
+}
+
+.move-btn {
+  min-width: 44px;
+  height: 36px;
+  font-size: 0.9rem;
+  padding: 0 10px;
+}
+
+.bottom-left-controls {
+  position: absolute;
+  bottom: 72px;
+  left: 24px;
+  z-index: 50;
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+  align-items: flex-start;
+}
+
+.solve-dropdown-wrapper {
+  position: relative;
+}
+
+.solve-dropdown-menu {
+  position: absolute;
+  bottom: 100%;
+  left: 0;
+  margin-bottom: 8px;
+  background: rgba(0, 0, 0, 0.8);
+  backdrop-filter: blur(8px);
+  border: 1px solid rgba(255, 255, 255, 0.2);
+  border-radius: 8px;
+  padding: 8px;
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+  min-width: 180px;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
+  animation: fadeIn 0.2s ease-out;
+}
+
+@keyframes fadeIn {
+  from { opacity: 0; transform: translateY(4px); }
+  to { opacity: 1; transform: translateY(0); }
+}
+
+.dropdown-item {
+  background: transparent;
+  color: #fff;
+  border: none;
+  padding: 8px 12px;
+  text-align: left;
+  border-radius: 4px;
+  cursor: pointer;
+  font-family: inherit;
+  font-size: 0.9rem;
+  transition: background 0.2s;
+}
+
+.dropdown-item:hover {
+  background: rgba(255, 255, 255, 0.1);
+}
+</style>
--- a/src/components/renderers/MoveHistoryPanel.vue
+++ b/src/components/renderers/MoveHistoryPanel.vue
@@ -0,0 +1,223 @@
+<script setup>
+import { ref, computed, onMounted, onUnmounted, watch, nextTick } from "vue";
+
+const props = defineProps({
+  moves: {
+    type: Array,
+    required: true,
+  },
+});
+
+const emit = defineEmits(["reset", "copy", "add-moves", "open-add-modal"]);
+
+const MIN_MOVES_COLUMN_GAP = 6;
+
+const movesHistoryEl = ref(null);
+const samplePillEl = ref(null);
+const movesPerRow = ref(0);
+const movesColumnGap = ref(MIN_MOVES_COLUMN_GAP);
+
+const displayMoves = computed(() => props.moves || []);
+
+const moveRows = computed(() => {
+  const perRow = movesPerRow.value || displayMoves.value.length || 1;
+  const rows = [];
+  const all = displayMoves.value;
+  for (let i = 0; i < all.length; i += perRow) {
+    rows.push(all.slice(i, i + perRow));
+  }
+  return rows;
+});
+
+const hasMoves = computed(() => displayMoves.value.length > 0);
+
+const copyQueueToClipboard = () => {
+  emit("copy");
+};
+
+const resetQueue = () => {
+  emit("reset");
+};
+
+const setSamplePill = (el) => {
+  if (el && !samplePillEl.value) {
+    samplePillEl.value = el;
+  }
+};
+
+const recalcMovesLayout = () => {
+  const container = movesHistoryEl.value;
+  const pill = samplePillEl.value;
+  if (!container || !pill) return;
+
+  const containerWidth = container.clientWidth;
+  const pillWidth = pill.offsetWidth;
+  if (pillWidth <= 0) return;
+
+  const totalWidth = (cols) => {
+    if (cols <= 0) return 0;
+    if (cols === 1) return pillWidth;
+    return cols * pillWidth + (cols - 1) * MIN_MOVES_COLUMN_GAP;
+  };
+
+  let cols = Math.floor(
+    (containerWidth + MIN_MOVES_COLUMN_GAP) /
+      (pillWidth + MIN_MOVES_COLUMN_GAP),
+  );
+  if (cols < 1) cols = 1;
+  while (cols > 1 && totalWidth(cols) > containerWidth) {
+    cols -= 1;
+  }
+
+  let gap = 0;
+  if (cols > 1) {
+    gap = (containerWidth - cols * pillWidth) / (cols - 1);
+  }
+
+  movesPerRow.value = cols;
+  movesColumnGap.value = gap;
+};
+
+const openAddModal = () => {
+  emit("open-add-modal");
+};
+
+watch(displayMoves, () => {
+  nextTick(recalcMovesLayout);
+});
+
+onMounted(() => {
+  window.addEventListener("resize", recalcMovesLayout);
+  nextTick(recalcMovesLayout);
+});
+
+onUnmounted(() => {
+  window.removeEventListener("resize", recalcMovesLayout);
+});
+</script>
+
+<template>
+  <div class="moves-history">
+    <div class="moves-inner" ref="movesHistoryEl">
+      <div
+        v-for="(row, rowIndex) in moveRows"
+        :key="rowIndex"
+        class="moves-row"
+        :style="{ columnGap: movesColumnGap + 'px' }"
+      >
+        <span
+          v-for="(m, idx) in row"
+          :key="m.id"
+          class="move-pill"
+          :class="{
+            'move-pill-active': m.status === 'in_progress',
+            'move-pill-pending': m.status === 'pending',
+          }"
+          :ref="rowIndex === 0 && idx === 0 ? setSamplePill : null"
+        >
+          {{ m.label }}
+        </span>
+      </div>
+    </div>
+    <div class="moves-actions">
+      <button class="queue-action" @click="openAddModal">add</button>
+      <button
+        class="queue-action"
+        :class="{ 'queue-action-disabled': !hasMoves }"
+        :disabled="!hasMoves"
+        @click="copyQueueToClipboard"
+      >
+        copy
+      </button>
+      <button
+        class="queue-action"
+        :class="{ 'queue-action-disabled': !hasMoves }"
+        :disabled="!hasMoves"
+        @click="resetQueue"
+      >
+        reset
+      </button>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.moves-history {
+  position: absolute;
+  bottom: 72px;
+  left: 50%;
+  transform: translateX(-50%);
+  width: 100%;
+  max-width: calc(100vw - 360px);
+  overflow-x: hidden;
+  padding: 12px 12px 26px 12px;
+  background: rgba(0, 0, 0, 0.4);
+  border-radius: 8px;
+  backdrop-filter: blur(8px);
+}
+
+.moves-inner {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+}
+
+.moves-row {
+  display: flex;
+}
+
+.move-pill {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 16px;
+  padding: 4px 8px;
+  border-radius: 999px;
+  border: 1px solid rgba(255, 255, 255, 0.2);
+  font-size: 0.8rem;
+  color: #fff;
+  white-space: nowrap;
+}
+
+.move-pill-active {
+  background: #ffd500;
+  color: #000;
+  border-color: #ffd500;
+}
+
+.move-pill-pending {
+  opacity: 0.4;
+}
+
+.moves-actions {
+  position: absolute;
+  right: 6px;
+  bottom: 6px;
+  display: flex;
+  gap: 0px;
+}
+
+.queue-action {
+  border: none;
+  background: transparent;
+  padding: 6px 6px;
+  color: #fff;
+  font-size: 0.8rem;
+  cursor: pointer;
+}
+
+.queue-action-disabled {
+  opacity: 0.35;
+  cursor: default;
+  pointer-events: none;
+}
+
+.moves-history::after {
+  content: none;
+}
+
+.queue-action:focus {
+  outline: none;
+  box-shadow: none;
+}
+</style>
--- a/src/components/renderers/SmartCube.vue
+++ b/src/components/renderers/SmartCube.vue
--- a/src/composables/useCube.js
+++ b/src/composables/useCube.js
@@ -1,9 +1,11 @@
-
-import { ref, computed } from 'vue';
-import { COLORS, FACES } from '../utils/CubeModel';
+import { ref, computed } from "vue";
+import { COLORS, FACES } from "../utils/CubeModel";

 // Singleton worker
-const worker = new Worker(new URL('../workers/Cube.worker.js', import.meta.url), { type: 'module' });
+const worker = new Worker(
+  new URL("../workers/Cube.worker.js", import.meta.url),
+  { type: "module" },
+);

 // Reactive state
 const cubies = ref([]);
@@ -12,35 +14,37 @@ const validationResult = ref(null);

 worker.onmessage = (e) => {
  const { type, payload } = e.data;
-  if (type === 'STATE_UPDATE') {
+  if (type === "STATE_UPDATE") {
    cubies.value = payload.cubies;
    isReady.value = true;
-  } else if (type === 'VALIDATION_RESULT') {
+  } else if (type === "VALIDATION_RESULT") {
    validationResult.value = payload;
-  } else if (type === 'ERROR') {
-    console.error('Worker Error:', payload);
+  } else if (type === "ERROR") {
+    console.error("Worker Error:", payload);
  }
 };

 // Init worker
-worker.postMessage({ type: 'INIT' });
+worker.postMessage({ type: "INIT" });

 export function useCube() {
-
  const initCube = () => {
-    worker.postMessage({ type: 'RESET' });
+    worker.postMessage({ type: "RESET" });
  };

-  const rotateLayer = (axis, index, direction) => {
-    worker.postMessage({ type: 'ROTATE_LAYER', payload: { axis, index, direction } });
+  const rotateLayer = (axis, index, direction, steps = 1) => {
+    worker.postMessage({
+      type: "ROTATE_LAYER",
+      payload: { axis, index, direction, steps },
+    });
  };

  const turn = (move) => {
-    worker.postMessage({ type: 'TURN', payload: { move } });
+    worker.postMessage({ type: "TURN", payload: { move } });
  };

  const validate = () => {
-    worker.postMessage({ type: 'VALIDATE' });
+    worker.postMessage({ type: "VALIDATE" });
  };

  return {
@@ -52,6 +56,6 @@ export function useCube() {
    turn,
    validate,
    COLORS,
-    FACES
+    FACES,
  };
 }
--- a/src/composables/useSettings.js
+++ b/src/composables/useSettings.js
@@ -1,10 +1,10 @@
-import { ref } from 'vue';
+import { ref } from "vue";

 let initialCubeTranslucent = false;
 try {
-  const stored = localStorage.getItem('cubeTranslucent');
+  const stored = localStorage.getItem("cubeTranslucent");
  if (stored !== null) {
-    initialCubeTranslucent = stored === 'true';
+    initialCubeTranslucent = stored === "true";
  }
 } catch (e) {}

@@ -14,12 +14,12 @@ export function useSettings() {
  const toggleCubeTranslucent = () => {
    isCubeTranslucent.value = !isCubeTranslucent.value;
    try {
-      localStorage.setItem('cubeTranslucent', String(isCubeTranslucent.value));
+      localStorage.setItem("cubeTranslucent", String(isCubeTranslucent.value));
    } catch (e) {}
  };

  return {
    isCubeTranslucent,
-    toggleCubeTranslucent
+    toggleCubeTranslucent,
  };
 }
--- a/src/config/animationSettings.js
+++ b/src/config/animationSettings.js
@@ -1 +1 @@
-export const LAYER_ANIMATION_DURATION = 200
+export const LAYER_ANIMATION_DURATION = 200;
--- a/src/main.js
+++ b/src/main.js
@@ -1,5 +1,5 @@
-import { createApp } from 'vue'
-import './style.css'
-import App from './App.vue'
+import { createApp } from "vue";
+import "./style.css";
+import App from "./App.vue";

-createApp(App).mount('#app')
+createApp(App).mount("#app");
--- a/src/style.css
+++ b/src/style.css
@@ -31,7 +31,7 @@
  --toggle-btn-border: rgba(255, 255, 255, 0.2);
  --toggle-hover-border: #ffffff;
  --toggle-active-shadow: 0 0 10px rgba(0, 242, 255, 0.3);
-  --panel-bg: rgba(255, 255, 255, 0.1);
+  --panel-bg: rgba(0, 0, 0, 0.4);
  --panel-border: rgba(255, 255, 255, 0.1);
  --panel-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  --button-bg: rgba(255, 255, 255, 0.1);
--- a/src/utils/CubeLogicAdapter.js
+++ b/src/utils/CubeLogicAdapter.js
@@ -0,0 +1,59 @@
+import { DeepCube, MOVES } from './DeepCube.js';
+import { CubeModel } from './CubeModel.js';
+
+export class RubiksJSModel {
+  constructor() {
+    this.state = new DeepCube();
+    this.visual = new CubeModel();
+  }
+
+  reset() {
+    this.state = new DeepCube();
+    this.visual = new CubeModel();
+  }
+
+  rotateLayer(axis, index, dir, steps = 1) {
+    let move = '';
+    if (axis === 'y') {
+      if (index === 1) move = dir === 1 ? "U'" : "U";
+      else if (index === -1) move = dir === -1 ? "D'" : "D";
+    } else if (axis === 'x') {
+      if (index === 1) move = dir === 1 ? "R'" : "R";
+      else if (index === -1) move = dir === -1 ? "L'" : "L";
+    } else if (axis === 'z') {
+      if (index === 1) move = dir === 1 ? "F'" : "F";
+      else if (index === -1) move = dir === -1 ? "B'" : "B";
+    }
+
+    if (move) {
+      for (let i = 0; i < steps; i++) {
+        try {
+          this.state = this.state.multiply(MOVES[move]);
+        } catch (e) {
+          console.error('[RubiksJSModel] Failed to apply move:', move, e);
+        }
+        this.visual.rotateLayer(axis, index, dir);
+      }
+    }
+  }
+
+  applyTurn(move) {
+    if (!move) return;
+    try {
+      this.state = this.state.multiply(MOVES[move]);
+    } catch (e) {
+      console.error('[RubiksJSModel] Failed to apply direct move:', move, e);
+    }
+    this.visual.applyMove(move);
+  }
+
+  toCubies() {
+    return this.visual.toCubies();
+  }
+
+  validate() {
+    const valid = this.state.isValid();
+    return { valid, errors: valid ? [] : ['Invalid cube configuration (Parity or Orientation rules violated)'] };
+  }
+}
+
--- a/src/utils/CubeModel.js
+++ b/src/utils/CubeModel.js
@@ -12,22 +12,22 @@
 */

 export const COLORS = {
-  WHITE: 'white',
-  YELLOW: 'yellow',
-  ORANGE: 'orange',
-  RED: 'red',
-  GREEN: 'green',
-  BLUE: 'blue',
-  BLACK: 'black'
+  WHITE: "white",
+  YELLOW: "yellow",
+  ORANGE: "orange",
+  RED: "red",
+  GREEN: "green",
+  BLUE: "blue",
+  BLACK: "black",
 };

 export const FACES = {
-  UP: 'up',
-  DOWN: 'down',
-  LEFT: 'left',
-  RIGHT: 'right',
-  FRONT: 'front',
-  BACK: 'back',
+  UP: "up",
+  DOWN: "down",
+  LEFT: "left",
+  RIGHT: "right",
+  FRONT: "front",
+  BACK: "back",
 };

 // Standard Face Colors (Solved State)
@@ -99,7 +99,7 @@ export class CubeModel {
   */
  rotateLayer(axis, index, direction) {
    // Determine the relevant cubies in the slice
-    const slice = this.cubies.filter(c => c[axis] === index);
+    const slice = this.cubies.filter((c) => c[axis] === index);

    // Coordinate rotation (Matrix Logic)
    // 90 deg CW rotation formulas:
@@ -120,7 +120,7 @@ export class CubeModel {

    // If direction is -1: Inverse.

-    slice.forEach(cubie => {
+    slice.forEach((cubie) => {
      this._rotateCubieCoordinates(cubie, axis, direction);
      this._rotateCubieFaces(cubie, axis, direction);
    });
@@ -129,7 +129,7 @@ export class CubeModel {
  _rotateCubieCoordinates(cubie, axis, direction) {
    const { x, y, z } = cubie;

-    if (axis === 'x') {
+    if (axis === "x") {
      if (direction === 1) {
        cubie.y = -z;
        cubie.z = y;
@@ -137,7 +137,7 @@ export class CubeModel {
        cubie.y = z;
        cubie.z = -y;
      }
-    } else if (axis === 'y') {
+    } else if (axis === "y") {
      if (direction === 1) {
        cubie.z = -x;
        cubie.x = z;
@@ -145,11 +145,13 @@ export class CubeModel {
        cubie.z = x;
        cubie.x = -z;
      }
-    } else if (axis === 'z') {
-      if (direction === 1) { // CW
+    } else if (axis === "z") {
+      if (direction === 1) {
+        // CW
        cubie.x = -y;
        cubie.y = x;
-      } else { // CCW
+      } else {
+        // CCW
        cubie.x = y;
        cubie.y = -x;
      }
@@ -165,38 +167,44 @@ export class CubeModel {

    const f = { ...cubie.faces };

-    if (axis === 'x') {
-      if (direction === 1) { // Up -> Front -> Down -> Back -> Up
+    if (axis === "x") {
+      if (direction === 1) {
+        // Up -> Front -> Down -> Back -> Up
        cubie.faces[FACES.FRONT] = f[FACES.UP];
        cubie.faces[FACES.DOWN] = f[FACES.FRONT];
        cubie.faces[FACES.BACK] = f[FACES.DOWN];
        cubie.faces[FACES.UP] = f[FACES.BACK];
        // Left/Right unchanged in position, but might rotate? No, faces are solid colors.
-      } else { // Up -> Back -> Down -> Front -> Up
+      } else {
+        // Up -> Back -> Down -> Front -> Up
        cubie.faces[FACES.BACK] = f[FACES.UP];
        cubie.faces[FACES.DOWN] = f[FACES.BACK];
        cubie.faces[FACES.FRONT] = f[FACES.DOWN];
        cubie.faces[FACES.UP] = f[FACES.FRONT];
      }
-    } else if (axis === 'y') {
-      if (direction === 1) { // Front -> Right -> Back -> Left -> Front
+    } else if (axis === "y") {
+      if (direction === 1) {
+        // Front -> Right -> Back -> Left -> Front
        cubie.faces[FACES.RIGHT] = f[FACES.FRONT];
        cubie.faces[FACES.BACK] = f[FACES.RIGHT];
        cubie.faces[FACES.LEFT] = f[FACES.BACK];
        cubie.faces[FACES.FRONT] = f[FACES.LEFT];
-      } else { // Front -> Left -> Back -> Right -> Front
+      } else {
+        // Front -> Left -> Back -> Right -> Front
        cubie.faces[FACES.LEFT] = f[FACES.FRONT];
        cubie.faces[FACES.BACK] = f[FACES.LEFT];
        cubie.faces[FACES.RIGHT] = f[FACES.BACK];
        cubie.faces[FACES.FRONT] = f[FACES.RIGHT];
      }
-    } else if (axis === 'z') {
-      if (direction === 1) { // CCW: Up -> Left -> Down -> Right -> Up
+    } else if (axis === "z") {
+      if (direction === 1) {
+        // CCW: Up -> Left -> Down -> Right -> Up
        cubie.faces[FACES.LEFT] = f[FACES.UP];
        cubie.faces[FACES.DOWN] = f[FACES.LEFT];
        cubie.faces[FACES.RIGHT] = f[FACES.DOWN];
        cubie.faces[FACES.UP] = f[FACES.RIGHT];
-      } else { // CW: Up -> Right -> Down -> Left -> Up
+      } else {
+        // CW: Up -> Right -> Down -> Left -> Up
        cubie.faces[FACES.RIGHT] = f[FACES.UP];
        cubie.faces[FACES.DOWN] = f[FACES.RIGHT];
        cubie.faces[FACES.LEFT] = f[FACES.DOWN];
@@ -208,12 +216,12 @@ export class CubeModel {
  toCubies() {
    // Return copy of state for rendering
    // CubeCSS expects array of objects with x, y, z, faces
-    return this.cubies.map(c => ({
+    return this.cubies.map((c) => ({
      id: c.id,
      x: c.x,
      y: c.y,
      z: c.z,
-      faces: { ...c.faces }
+      faces: { ...c.faces },
    }));
  }

@@ -238,30 +246,54 @@ export class CubeModel {
    // B (CW around -Z): 1 (since Z(1) is CW around -Z)

    switch (base) {
-      case 'U': direction = 1; break;
-      case 'D': direction = -1; break;
-      case 'L': direction = -1; break;
-      case 'R': direction = 1; break;
-      case 'F': direction = -1; break;
-      case 'B': direction = 1; break;
+      case "U":
+        direction = 1;
+        break;
+      case "D":
+        direction = -1;
+        break;
+      case "L":
+        direction = -1;
+        break;
+      case "R":
+        direction = 1;
+        break;
+      case "F":
+        direction = -1;
+        break;
+      case "B":
+        direction = 1;
+        break;
    }

    if (modifier === "'") direction *= -1;
-    if (modifier === '2') {
+    if (modifier === "2") {
      // 2 moves. Direction doesn't matter for 180, but let's keep it.
      // We will call rotateLayer twice.
    }

-    const count = modifier === '2' ? 2 : 1;
+    const count = modifier === "2" ? 2 : 1;

    for (let i = 0; i < count; i++) {
      switch (base) {
-        case 'U': this.rotateLayer('y', 1, direction); break;
-        case 'D': this.rotateLayer('y', -1, direction); break;
-        case 'L': this.rotateLayer('x', -1, direction); break;
-        case 'R': this.rotateLayer('x', 1, direction); break;
-        case 'F': this.rotateLayer('z', 1, direction); break;
-        case 'B': this.rotateLayer('z', -1, direction); break;
+        case "U":
+          this.rotateLayer("y", 1, direction);
+          break;
+        case "D":
+          this.rotateLayer("y", -1, direction);
+          break;
+        case "L":
+          this.rotateLayer("x", -1, direction);
+          break;
+        case "R":
+          this.rotateLayer("x", 1, direction);
+          break;
+        case "F":
+          this.rotateLayer("z", 1, direction);
+          break;
+        case "B":
+          this.rotateLayer("z", -1, direction);
+          break;
      }
    }
  }
@@ -282,25 +314,46 @@ export class CubeModel {
        for (let c = 0; c < 3; c++) {
          let cubie;
          // Map r,c to x,y,z based on face
-          if (face === FACES.UP) { // y=1. r=0->z=-1 (Back), r=2->z=1 (Front). c=0->x=-1 (Left).
+          if (face === FACES.UP) {
+            // y=1. r=0->z=-1 (Back), r=2->z=1 (Front). c=0->x=-1 (Left).
            // Standard U face view: Top Left is Back Left (-1, 1, -1).
            // Row 0 (Top of U face) is Back.
            // Row 2 (Bottom of U face) is Front.
-            cubie = this.cubies.find(cu => cu.y === 1 && cu.x === (c - 1) && cu.z === (r - 1)); // Wait.
+            cubie = this.cubies.find(
+              (cu) => cu.y === 1 && cu.x === c - 1 && cu.z === r - 1,
+            ); // Wait.
            // Back is z=-1. Front is z=1.
            // Visual Top of U face is Back (z=-1).
            // Visual Bottom of U face is Front (z=1).
-            cubie = this.cubies.find(cu => cu.y === 1 && cu.x === (c - 1) && cu.z === (r - 1 - 2 * r)); // Complicated.
+            cubie = this.cubies.find(
+              (cu) => cu.y === 1 && cu.x === c - 1 && cu.z === r - 1 - 2 * r,
+            ); // Complicated.
            // Let's just find by strict coordinates
            // r=0 -> z=-1. r=1 -> z=0. r=2 -> z=1.
            // c=0 -> x=-1. c=1 -> x=0. c=2 -> x=1.
-            cubie = this.cubies.find(cu => cu.y === 1 && cu.x === (c - 1) && cu.z === (r - 1));
-          }
-          else if (face === FACES.DOWN) cubie = this.cubies.find(cu => cu.y === -1 && cu.x === (c - 1) && cu.z === (1 - r)); // Down View?
-          else if (face === FACES.FRONT) cubie = this.cubies.find(cu => cu.z === 1 && cu.x === (c - 1) && cu.y === (1 - r));
-          else if (face === FACES.BACK) cubie = this.cubies.find(cu => cu.z === -1 && cu.x === (1 - c) && cu.y === (1 - r));
-          else if (face === FACES.LEFT) cubie = this.cubies.find(cu => cu.x === -1 && cu.z === (1 - c) && cu.y === (1 - r)); // Left view z order?
-          else if (face === FACES.RIGHT) cubie = this.cubies.find(cu => cu.x === 1 && cu.z === (c - 1) && cu.y === (1 - r));
+            cubie = this.cubies.find(
+              (cu) => cu.y === 1 && cu.x === c - 1 && cu.z === r - 1,
+            );
+          } else if (face === FACES.DOWN)
+            cubie = this.cubies.find(
+              (cu) => cu.y === -1 && cu.x === c - 1 && cu.z === 1 - r,
+            ); // Down View?
+          else if (face === FACES.FRONT)
+            cubie = this.cubies.find(
+              (cu) => cu.z === 1 && cu.x === c - 1 && cu.y === 1 - r,
+            );
+          else if (face === FACES.BACK)
+            cubie = this.cubies.find(
+              (cu) => cu.z === -1 && cu.x === 1 - c && cu.y === 1 - r,
+            );
+          else if (face === FACES.LEFT)
+            cubie = this.cubies.find(
+              (cu) => cu.x === -1 && cu.z === 1 - c && cu.y === 1 - r,
+            ); // Left view z order?
+          else if (face === FACES.RIGHT)
+            cubie = this.cubies.find(
+              (cu) => cu.x === 1 && cu.z === c - 1 && cu.y === 1 - r,
+            );

          if (cubie) {
            rowStr += cubie.faces[face][0].toUpperCase() + " ";
@@ -313,16 +366,16 @@ export class CubeModel {
      out += "\n";
    };

-    printFace(FACES.UP, 'U');
-    printFace(FACES.DOWN, 'D');
-    printFace(FACES.FRONT, 'F');
-    printFace(FACES.BACK, 'B');
-    printFace(FACES.LEFT, 'L');
-    printFace(FACES.RIGHT, 'R');
+    printFace(FACES.UP, "U");
+    printFace(FACES.DOWN, "D");
+    printFace(FACES.FRONT, "F");
+    printFace(FACES.BACK, "B");
+    printFace(FACES.LEFT, "L");
+    printFace(FACES.RIGHT, "R");
    return out;
  }
  scramble(n = 20) {
-    const axes = ['x', 'y', 'z'];
+    const axes = ["x", "y", "z"];
    const indices = [-1, 1]; // Usually rotate outer layers for scramble
    // Actually, scrambling usually involves random face moves (U, D, L, R, F, B)
    // U: y=1, dir -1 (Standard CW)
--- a/src/utils/DeepCube.js
+++ b/src/utils/DeepCube.js
@@ -0,0 +1,398 @@
+// Corner indices
+export const CORNERS = {
+  URF: 0,
+  UFL: 1,
+  ULB: 2,
+  UBR: 3,
+  DFR: 4,
+  DLF: 5,
+  DBL: 6,
+  DRB: 7,
+};
+
+// Edge indices
+export const EDGES = {
+  UR: 0,
+  UF: 1,
+  UL: 2,
+  UB: 3,
+  DR: 4,
+  DF: 5,
+  DL: 6,
+  DB: 7,
+  FR: 8,
+  FL: 9,
+  BL: 10,
+  BR: 11,
+};
+
+export class DeepCube {
+  constructor(cp, co, ep, eo) {
+    if (cp && co && ep && eo) {
+      this.cp = [...cp];
+      this.co = [...co];
+      this.ep = [...ep];
+      this.eo = [...eo];
+    } else {
+      // Solved identity state
+      this.cp = [0, 1, 2, 3, 4, 5, 6, 7];
+      this.co = [0, 0, 0, 0, 0, 0, 0, 0];
+      this.ep = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11];
+      this.eo = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
+    }
+  }
+
+  // Multiply (apply) another cube state to this one.
+  multiply(b) {
+    const cp = new Array(8);
+    const co = new Array(8);
+    const ep = new Array(12);
+    const eo = new Array(12);
+
+    // Corners
+    for (let i = 0; i < 8; i++) {
+      cp[i] = this.cp[b.cp[i]];
+      co[i] = (this.co[b.cp[i]] + b.co[i]) % 3;
+    }
+
+    // Edges
+    for (let i = 0; i < 12; i++) {
+      ep[i] = this.ep[b.ep[i]];
+      eo[i] = (this.eo[b.ep[i]] + b.eo[i]) % 2;
+    }
+
+    return new DeepCube(cp, co, ep, eo);
+  }
+
+  clone() {
+    return new DeepCube(this.cp, this.co, this.ep, this.eo);
+  }
+
+  // Checks if the mathematical state is solvable/possible
+  isValid() {
+    // 1. Edge parity must equal corner parity
+    let edgeParity = 0;
+    for (let i = 11; i >= 0; i--) {
+      for (let j = i - 1; j >= 0; j--) {
+        if (this.ep[j] > this.ep[i]) edgeParity++;
+      }
+    }
+
+    let cornerParity = 0;
+    for (let i = 7; i >= 0; i--) {
+      for (let j = i - 1; j >= 0; j--) {
+        if (this.cp[j] > this.cp[i]) cornerParity++;
+      }
+    }
+    if (edgeParity % 2 !== cornerParity % 2) return false;
+
+    // 2. Edge orientations must sum to even
+    let eoSum = this.eo.reduce((a, b) => a + b, 0);
+    if (eoSum % 2 !== 0) return false;
+
+    // 3. Corner orientations must be divisible by 3
+    let coSum = this.co.reduce((a, b) => a + b, 0);
+    if (coSum % 3 !== 0) return false;
+
+    return true;
+  }
+
+  static fromCubies(cubies) {
+    const c2f = {
+      white: "U",
+      yellow: "D",
+      orange: "L",
+      red: "R",
+      green: "F",
+      blue: "B",
+    };
+
+    const getCubie = (x, y, z) =>
+      cubies.find((c) => c.x === x && c.y === y && c.z === z);
+
+    const baseC = [
+      ["U", "R", "F"],
+      ["U", "F", "L"],
+      ["U", "L", "B"],
+      ["U", "B", "R"],
+      ["D", "F", "R"],
+      ["D", "L", "F"],
+      ["D", "B", "L"],
+      ["D", "R", "B"],
+    ];
+
+    const slotC = [
+      { x: 1, y: 1, z: 1, faces: ["up", "right", "front"] }, // 0: URF
+      { x: -1, y: 1, z: 1, faces: ["up", "front", "left"] }, // 1: UFL
+      { x: -1, y: 1, z: -1, faces: ["up", "left", "back"] }, // 2: ULB
+      { x: 1, y: 1, z: -1, faces: ["up", "back", "right"] }, // 3: UBR
+      { x: 1, y: -1, z: 1, faces: ["down", "front", "right"] }, // 4: DFR
+      { x: -1, y: -1, z: 1, faces: ["down", "left", "front"] }, // 5: DLF
+      { x: -1, y: -1, z: -1, faces: ["down", "back", "left"] }, // 6: DBL
+      { x: 1, y: -1, z: -1, faces: ["down", "right", "back"] }, // 7: DRB
+    ];
+
+    let cp = [],
+      co = [];
+    for (let i = 0; i < 8; i++) {
+      let slot = slotC[i];
+      let c = getCubie(slot.x, slot.y, slot.z);
+      let colors = [
+        c2f[c.faces[slot.faces[0]]],
+        c2f[c.faces[slot.faces[1]]],
+        c2f[c.faces[slot.faces[2]]],
+      ];
+      let perm = baseC.findIndex(
+        (bc) =>
+          colors.includes(bc[0]) &&
+          colors.includes(bc[1]) &&
+          colors.includes(bc[2]),
+      );
+      cp[i] = perm;
+      co[i] = colors.indexOf(baseC[perm][0]);
+    }
+
+    const baseE = [
+      ["U", "R"],
+      ["U", "F"],
+      ["U", "L"],
+      ["U", "B"],
+      ["D", "R"],
+      ["D", "F"],
+      ["D", "L"],
+      ["D", "B"],
+      ["F", "R"],
+      ["F", "L"],
+      ["B", "L"],
+      ["B", "R"],
+    ];
+
+    const slotE = [
+      { x: 1, y: 1, z: 0, faces: ["up", "right"] },
+      { x: 0, y: 1, z: 1, faces: ["up", "front"] },
+      { x: -1, y: 1, z: 0, faces: ["up", "left"] },
+      { x: 0, y: 1, z: -1, faces: ["up", "back"] },
+      { x: 1, y: -1, z: 0, faces: ["down", "right"] },
+      { x: 0, y: -1, z: 1, faces: ["down", "front"] },
+      { x: -1, y: -1, z: 0, faces: ["down", "left"] },
+      { x: 0, y: -1, z: -1, faces: ["down", "back"] },
+      { x: 1, y: 0, z: 1, faces: ["front", "right"] },
+      { x: -1, y: 0, z: 1, faces: ["front", "left"] },
+      { x: -1, y: 0, z: -1, faces: ["back", "left"] },
+      { x: 1, y: 0, z: -1, faces: ["back", "right"] },
+    ];
+
+    let ep = [],
+      eo = [];
+    for (let i = 0; i < 12; i++) {
+      let slot = slotE[i];
+      let c = getCubie(slot.x, slot.y, slot.z);
+      let colors = [c2f[c.faces[slot.faces[0]]], c2f[c.faces[slot.faces[1]]]];
+      let perm = baseE.findIndex(
+        (be) => colors.includes(be[0]) && colors.includes(be[1]),
+      );
+      ep[i] = perm;
+      eo[i] = colors.indexOf(baseE[perm][0]);
+    }
+
+    return new DeepCube(cp, co, ep, eo);
+  }
+}
+
+// ----------------------------------------------------------------------------
+// BASE MOVES DEFINITIONS
+// Represents the effect of 90-degree clockwise faces on the solved state.
+// ----------------------------------------------------------------------------
+
+export const MOVES = {};
+
+// U (Up Face Clockwise)
+MOVES["U"] = new DeepCube(
+  [
+    CORNERS.UBR,
+    CORNERS.URF,
+    CORNERS.UFL,
+    CORNERS.ULB,
+    CORNERS.DFR,
+    CORNERS.DLF,
+    CORNERS.DBL,
+    CORNERS.DRB,
+  ],
+  [0, 0, 0, 0, 0, 0, 0, 0],
+  [
+    EDGES.UB,
+    EDGES.UR,
+    EDGES.UF,
+    EDGES.UL,
+    EDGES.DR,
+    EDGES.DF,
+    EDGES.DL,
+    EDGES.DB,
+    EDGES.FR,
+    EDGES.FL,
+    EDGES.BL,
+    EDGES.BR,
+  ],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+);
+
+// R (Right Face Clockwise)
+MOVES["R"] = new DeepCube(
+  [
+    CORNERS.DFR,
+    CORNERS.UFL,
+    CORNERS.ULB,
+    CORNERS.URF,
+    CORNERS.DRB,
+    CORNERS.DLF,
+    CORNERS.DBL,
+    CORNERS.UBR,
+  ],
+  [2, 0, 0, 1, 1, 0, 0, 2],
+  [
+    EDGES.FR,
+    EDGES.UF,
+    EDGES.UL,
+    EDGES.UB,
+    EDGES.BR,
+    EDGES.DF,
+    EDGES.DL,
+    EDGES.DB,
+    EDGES.DR,
+    EDGES.FL,
+    EDGES.BL,
+    EDGES.UR,
+  ],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+);
+
+// F (Front Face Clockwise)
+MOVES["F"] = new DeepCube(
+  [
+    CORNERS.UFL,
+    CORNERS.DLF,
+    CORNERS.ULB,
+    CORNERS.UBR,
+    CORNERS.URF,
+    CORNERS.DFR,
+    CORNERS.DBL,
+    CORNERS.DRB,
+  ],
+  [1, 2, 0, 0, 2, 1, 0, 0],
+  [
+    EDGES.UR,
+    EDGES.FL,
+    EDGES.UL,
+    EDGES.UB,
+    EDGES.DR,
+    EDGES.FR,
+    EDGES.DL,
+    EDGES.DB,
+    EDGES.UF,
+    EDGES.DF,
+    EDGES.BL,
+    EDGES.BR,
+  ],
+  [0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0],
+);
+
+// D (Down Face Clockwise)
+MOVES["D"] = new DeepCube(
+  [
+    CORNERS.URF,
+    CORNERS.UFL,
+    CORNERS.ULB,
+    CORNERS.UBR,
+    CORNERS.DLF,
+    CORNERS.DBL,
+    CORNERS.DRB,
+    CORNERS.DFR,
+  ],
+  [0, 0, 0, 0, 0, 0, 0, 0],
+  [
+    EDGES.UR,
+    EDGES.UF,
+    EDGES.UL,
+    EDGES.UB,
+    EDGES.DF,
+    EDGES.DL,
+    EDGES.DB,
+    EDGES.DR,
+    EDGES.FR,
+    EDGES.FL,
+    EDGES.BL,
+    EDGES.BR,
+  ],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+);
+
+// L (Left Face Clockwise)
+MOVES["L"] = new DeepCube(
+  [
+    CORNERS.URF,
+    CORNERS.ULB,
+    CORNERS.DBL,
+    CORNERS.UBR,
+    CORNERS.DFR,
+    CORNERS.UFL,
+    CORNERS.DLF,
+    CORNERS.DRB,
+  ],
+  [0, 1, 2, 0, 0, 2, 1, 0],
+  [
+    EDGES.UR,
+    EDGES.UF,
+    EDGES.BL,
+    EDGES.UB,
+    EDGES.DR,
+    EDGES.DF,
+    EDGES.FL,
+    EDGES.DB,
+    EDGES.FR,
+    EDGES.UL,
+    EDGES.DL,
+    EDGES.BR,
+  ],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+);
+
+// B (Back Face Clockwise)
+MOVES["B"] = new DeepCube(
+  [
+    CORNERS.URF,
+    CORNERS.UFL,
+    CORNERS.UBR,
+    CORNERS.DRB,
+    CORNERS.DFR,
+    CORNERS.DLF,
+    CORNERS.ULB,
+    CORNERS.DBL,
+  ],
+  [0, 0, 1, 2, 0, 0, 2, 1],
+  [
+    EDGES.UR,
+    EDGES.UF,
+    EDGES.UL,
+    EDGES.BR,
+    EDGES.DR,
+    EDGES.DF,
+    EDGES.DL,
+    EDGES.BL,
+    EDGES.FR,
+    EDGES.FL,
+    EDGES.UB,
+    EDGES.DB,
+  ],
+  [0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1],
+);
+
+// Generate inverses and 180s
+const faces = ["U", "R", "F", "D", "L", "B"];
+faces.forEach((f) => {
+  const m1 = MOVES[f];
+  const m2 = m1.multiply(m1);
+  const m3 = m2.multiply(m1);
+
+  MOVES[f + "2"] = m2;
+  MOVES[f + "'"] = m3;
+});
--- a/src/utils/RubiksJSModel.js
+++ b/src/utils/RubiksJSModel.js
@@ -1,172 +0,0 @@
-import { State } from 'rubiks-js/src/state/index.js';
-import { CubeModel } from './CubeModel.js';
-
-// Static order definitions from rubiks-js source
-const CORNER_ORDER = ['URF', 'ULF', 'ULB', 'URB', 'DRF', 'DLF', 'DLB', 'DRB'];
-const EDGE_ORDER = ['UF', 'UL', 'UB', 'UR', 'FR', 'FL', 'BL', 'BR', 'DF', 'DL', 'DB', 'DR'];
-
-// Coordinate mapping for visualization
-// Coordinates match the visual grid positions
-const CORNER_SLOTS = [
-    { id: 'URF', x: 1, y: 1, z: 1 },
-    { id: 'ULF', x: -1, y: 1, z: 1 },
-    { id: 'ULB', x: -1, y: 1, z: -1 },
-    { id: 'URB', x: 1, y: 1, z: -1 },
-    { id: 'DRF', x: 1, y: -1, z: 1 },
-    { id: 'DLF', x: -1, y: -1, z: 1 },
-    { id: 'DLB', x: -1, y: -1, z: -1 },
-    { id: 'DRB', x: 1, y: -1, z: -1 }
-];
-
-const EDGE_SLOTS = [
-    { id: 'UF', x: 0, y: 1, z: 1 },
-    { id: 'UL', x: -1, y: 1, z: 0 },
-    { id: 'UB', x: 0, y: 1, z: -1 },
-    { id: 'UR', x: 1, y: 1, z: 0 },
-    { id: 'FR', x: 1, y: 0, z: 1 },
-    { id: 'FL', x: -1, y: 0, z: 1 },
-    { id: 'BL', x: -1, y: 0, z: -1 },
-    { id: 'BR', x: 1, y: 0, z: -1 },
-    { id: 'DF', x: 0, y: -1, z: 1 },
-    { id: 'DL', x: -1, y: -1, z: 0 },
-    { id: 'DB', x: 0, y: -1, z: -1 },
-    { id: 'DR', x: 1, y: -1, z: 0 }
-];
-
-const CENTERS = [
-    { id: 'c0', x: 0, y: 1, z: 0, faces: { up: 'white' } },
-    { id: 'c1', x: 0, y: -1, z: 0, faces: { down: 'yellow' } },
-    { id: 'c2', x: 0, y: 0, z: 1, faces: { front: 'green' } },
-    { id: 'c3', x: 0, y: 0, z: -1, faces: { back: 'blue' } },
-    { id: 'c4', x: -1, y: 0, z: 0, faces: { left: 'orange' } },
-    { id: 'c5', x: 1, y: 0, z: 0, faces: { right: 'red' } },
-    { id: 'core', x: 0, y: 0, z: 0, faces: {} }
-];
-
-// Face mapping for pieces
-// Each piece (e.g. URF) has 3 faces. We need to map them to colors based on orientation.
-// Standard color scheme: U=white, D=yellow, F=green, B=blue, L=orange, R=red
-const FACE_COLORS = {
-    U: 'white', D: 'yellow', F: 'green', B: 'blue', L: 'orange', R: 'red'
-};
-
-// Map piece name (e.g. 'URF') to its primary face keys
-const CORNER_FACES = {
-    'URF': ['up', 'right', 'front'],
-    'ULF': ['up', 'front', 'left'],
-    'ULB': ['up', 'left', 'back'],
-    'URB': ['up', 'back', 'right'],
-    'DRF': ['down', 'right', 'front'],
-    'DLF': ['down', 'left', 'front'],
-    'DLB': ['down', 'back', 'left'],
-    'DRB': ['down', 'right', 'back']
-};
-
-const EDGE_FACES = {
-    'UF': ['up', 'front'],
-    'UL': ['up', 'left'],
-    'UB': ['up', 'back'],
-    'UR': ['up', 'right'],
-    'FR': ['front', 'right'],
-    'FL': ['front', 'left'],
-    'BL': ['back', 'left'],
-    'BR': ['back', 'right'],
-    'DF': ['down', 'front'],
-    'DL': ['down', 'left'],
-    'DB': ['down', 'back'],
-    'DR': ['down', 'right']
-};
-
-// Map piece name to its solved colors
-const getCornerColors = (name) => {
-    // URF -> white, red, green
-    const map = {
-        'URF': ['white', 'red', 'green'],
-        'ULF': ['white', 'green', 'orange'],
-        'ULB': ['white', 'orange', 'blue'],
-        'URB': ['white', 'blue', 'red'],
-        'DRF': ['yellow', 'red', 'green'],
-        'DLF': ['yellow', 'orange', 'green'], // Adjusted to match DLF face order (D, L, F)
-        'DLB': ['yellow', 'blue', 'orange'], // Adjusted to match DLB face order (D, B, L)
-        'DRB': ['yellow', 'red', 'blue']  // Adjusted to match DRB face order (D, R, B)
-    };
-    return map[name];
-};
-
-const getEdgeColors = (name) => {
-    const map = {
-        'UF': ['white', 'green'],
-        'UL': ['white', 'orange'],
-        'UB': ['white', 'blue'],
-        'UR': ['white', 'red'],
-        'FR': ['green', 'red'],
-        'FL': ['green', 'orange'],
-        'BL': ['blue', 'orange'],
-        'BR': ['blue', 'red'],
-        'DF': ['yellow', 'green'],
-        'DL': ['yellow', 'orange'],
-        'DB': ['yellow', 'blue'],
-        'DR': ['yellow', 'red']
-    };
-    return map[name];
-};
-
-export class RubiksJSModel {
-    constructor() {
-        this.state = new State(false); // trackCenters=false
-        this.visual = new CubeModel();
-    }
-
-    reset() {
-        this.state = new State(false);
-        this.visual = new CubeModel();
-    }
-
-    rotateLayer(axis, index, dir) {
-        let move = '';
-        if (axis === 'y') {
-            if (index === 1) move = dir === 1 ? "U'" : "U";
-            else if (index === -1) move = dir === 1 ? "D'" : "D";
-        }
-        else if (axis === 'x') {
-            if (index === 1) move = dir === 1 ? "R'" : "R";
-            else if (index === -1) move = dir === 1 ? "L'" : "L";
-        }
-        else if (axis === 'z') {
-            if (index === 1) move = dir === 1 ? "F'" : "F";
-            else if (index === -1) move = dir === 1 ? "B'" : "B";
-        }
-
-        if (move) {
-            console.log('[RubiksJSModel] Applying move:', move);
-            try {
-                this.state.applyTurn(move);
-                console.log('[RubiksJSModel] Move applied successfully');
-            } catch (e) {
-                console.error('[RubiksJSModel] Failed to apply move:', move, e);
-            }
-
-            this.visual.rotateLayer(axis, index, dir);
-        }
-    }
-
-    applyTurn(move) {
-        if (!move) return;
-        try {
-            this.state.applyTurn(move);
-        } catch (e) {
-            console.error('[RubiksJSModel] Failed to apply direct move:', move, e);
-        }
-
-        this.visual.applyMove(move);
-    }
-
-    toCubies() {
-        return this.visual.toCubies();
-    }
-
-    validate() {
-        // State doesn't expose validate, but we can assume it's valid if using the library
-        return { valid: true, errors: [] };
-    }
-}
--- a/src/utils/solvers/BeginnerSolver.js
+++ b/src/utils/solvers/BeginnerSolver.js
@@ -0,0 +1,374 @@
+import { DeepCube, MOVES } from "../DeepCube.js";
+
+export class BeginnerSolver {
+  constructor(cube) {
+    this.cube = cube.clone();
+    this.solution = [];
+  }
+
+  apply(moveStr) {
+    if (!moveStr) return;
+    const moveArr = moveStr.split(" ").filter((m) => m);
+    for (const m of moveArr) {
+      if (!MOVES[m]) throw new Error(`Invalid move: ${m}`);
+      this.solution.push(m);
+      this.cube = this.cube.multiply(MOVES[m]);
+    }
+  }
+
+  solve() {
+    this.solution = [];
+    if (this.isSolvedState(this.cube)) return [];
+
+    console.log("Starting Cross");
+    this.solveCross();
+    console.log("Starting F2L Corners");
+    this.solveF2LCorners();
+    console.log("Starting F2L Edges");
+    this.solveF2LEdges();
+    console.log("Starting Yellow Cross");
+    this.solveYellowCross();
+    console.log("Starting Yellow OLL");
+    this.orientYellowCorners();
+    console.log("Starting Yellow PLL");
+    this.permuteYellowCorners();
+    this.permuteYellowEdges();
+    this.alignUFace();
+
+    this.optimizeSolution();
+    return this.solution;
+  }
+
+  isSolvedState(state) {
+    for (let i = 0; i < 8; i++)
+      if (state.cp[i] !== i || state.co[i] !== 0) return false;
+    for (let i = 0; i < 12; i++)
+      if (state.ep[i] !== i || state.eo[i] !== 0) return false;
+    return true;
+  }
+
+  testAlg(algStr, targetId, isCorner) {
+    let temp = this.cube;
+    const arr = algStr.split(" ").filter((m) => m);
+    for (const m of arr) temp = temp.multiply(MOVES[m]);
+    if (isCorner) {
+      return temp.cp[targetId] === targetId && temp.co[targetId] === 0;
+    } else {
+      return temp.ep[targetId] === targetId && temp.eo[targetId] === 0;
+    }
+  }
+
+  solveCross() {
+    const targets = [
+      { id: 5, up: 1, ins: ["F2", "U' R' F R", "U L F' L'"] }, // DF
+      { id: 4, up: 0, ins: ["R2", "U' B' R B", "U F R' F'"] }, // DR
+      { id: 7, up: 3, ins: ["B2", "U' L' B L", "U R B' R'"] }, // DB
+      { id: 6, up: 2, ins: ["L2", "U' F' L F", "U B L' B'"] }, // DL
+    ];
+
+    for (let t of targets) {
+      let safetyCount = 0;
+      while (safetyCount++ < 15) {
+        let pos = this.cube.ep.indexOf(t.id);
+        if (pos === t.id && this.cube.eo[pos] === 0) break;
+
+        if ([4, 5, 6, 7].includes(pos)) {
+          if (pos === 5) this.apply("F2");
+          else if (pos === 4) this.apply("R2");
+          else if (pos === 7) this.apply("B2");
+          else if (pos === 6) this.apply("L2");
+        } else if ([8, 9, 10, 11].includes(pos)) {
+          if (pos === 8) this.apply("R U R'");
+          else if (pos === 9) this.apply("F U F'");
+          else if (pos === 10) this.apply("L U L'");
+          else if (pos === 11) this.apply("B U B'");
+        } else if ([0, 1, 2, 3].includes(pos)) {
+          let success = false;
+          for (let u = 0; u < 4; u++) {
+            for (let alg of t.ins) {
+              if (this.testAlg(alg, t.id, false)) {
+                this.apply(alg);
+                success = true;
+                break;
+              }
+            }
+            if (success) break;
+            this.apply("U");
+          }
+          if (success) break;
+        }
+      }
+    }
+  }
+
+  solveF2LCorners() {
+    const targets = [
+      { id: 4, ext: "R U R'", ins: ["R U2 R' U' R U R'", "R U R'", "F' U' F"] },
+      { id: 5, ext: "F U F'", ins: ["F U2 F' U' F U F'", "F U F'", "L' U' L"] },
+      { id: 6, ext: "L U L'", ins: ["L U2 L' U' L U L'", "L U L'", "B' U' B"] },
+      { id: 7, ext: "B U B'", ins: ["B U2 B' U' B U B'", "B U B'", "R' U' R"] },
+    ];
+
+    for (let t of targets) {
+      let safetyCount = 0;
+      while (safetyCount++ < 15) {
+        let pos = this.cube.cp.indexOf(t.id);
+        if (pos === t.id && this.cube.co[pos] === 0) break;
+
+        if ([4, 5, 6, 7].includes(pos)) {
+          if (pos === 4) this.apply("R U R'");
+          else if (pos === 5) this.apply("F U F'");
+          else if (pos === 6) this.apply("L U L'");
+          else if (pos === 7) this.apply("B U B'");
+        } else if ([0, 1, 2, 3].includes(pos)) {
+          let success = false;
+          for (let u = 0; u < 4; u++) {
+            for (let alg of t.ins) {
+              if (this.testAlg(alg, t.id, true)) {
+                this.apply(alg);
+                success = true;
+                break;
+              }
+            }
+            if (success) break;
+            this.apply("U");
+          }
+          if (success) break;
+        }
+      }
+    }
+  }
+
+  solveF2LEdges() {
+    const targets = [
+      {
+        id: 8,
+        ext: "R U R'",
+        ins: ["U R U' R' U' F' U F", "U' F' U F U R U' R'"],
+      },
+      {
+        id: 9,
+        ext: "F U F'",
+        ins: ["U' L' U L U F U' F'", "U F U' F' U' L' U L"],
+      },
+      {
+        id: 10,
+        ext: "L U L'",
+        ins: ["U L U' L' U' B' U B", "U' B' U B U L U' L'"],
+      },
+      {
+        id: 11,
+        ext: "B U B'",
+        ins: ["U B U' B' U' R' U R", "U' R' U R U B U' B'"],
+      },
+    ];
+
+    for (let t of targets) {
+      let safetyCount = 0;
+      while (safetyCount++ < 15) {
+        let pos = this.cube.ep.indexOf(t.id);
+        if (pos === t.id && this.cube.eo[pos] === 0) break;
+
+        if ([8, 9, 10, 11].includes(pos)) {
+          if (pos === 8)
+            this.apply("R U R' U' F' U' F"); // Extract standard way
+          else if (pos === 9) this.apply("F U F' U' L' U' L");
+          else if (pos === 10) this.apply("L U L' U' B' U' B");
+          else if (pos === 11) this.apply("B U B' U' R' U' R");
+        } else if ([0, 1, 2, 3].includes(pos)) {
+          let success = false;
+          for (let u = 0; u < 4; u++) {
+            for (let alg of t.ins) {
+              if (this.testAlg(alg, t.id, false)) {
+                this.apply(alg);
+                success = true;
+                break;
+              }
+            }
+            if (success) break;
+            this.apply("U");
+          }
+          if (success) break;
+        }
+      }
+    }
+  }
+
+  solveYellowCross() {
+    const getOrientedCount = () =>
+      [0, 1, 2, 3].filter((i) => this.cube.eo[i] === 0).length;
+    let safetyCount = 0;
+    while (getOrientedCount() < 4 && safetyCount++ < 10) {
+      const oriented = [0, 1, 2, 3].filter((i) => this.cube.eo[i] === 0);
+      if (oriented.length === 0) {
+        this.apply("F R U R' U' F'");
+      } else if (oriented.length === 2) {
+        const [a, b] = oriented;
+        if (Math.abs(a - b) === 2 || (a === 0 && b === 3)) {
+          // Line or L-shape handling simplified
+          let succ = false;
+          for (let u = 0; u < 4; u++) {
+            let tmp = this.cube.clone();
+            let p1 = (temp) => {
+              let c = temp.clone();
+              "F R U R' U' F'"
+                .split(" ")
+                .filter((x) => x)
+                .forEach((m) => (c = c.multiply(MOVES[m])));
+              return c;
+            };
+            let p2 = (temp) => {
+              let c = temp.clone();
+              "F U R U' R' F'"
+                .split(" ")
+                .filter((x) => x)
+                .forEach((m) => (c = c.multiply(MOVES[m])));
+              return c;
+            };
+            if ([0, 1, 2, 3].filter((i) => p1(tmp).eo[i] === 0).length === 4) {
+              this.apply("F R U R' U' F'");
+              succ = true;
+              break;
+            }
+            if ([0, 1, 2, 3].filter((i) => p2(tmp).eo[i] === 0).length === 4) {
+              this.apply("F U R U' R' F'");
+              succ = true;
+              break;
+            }
+            this.apply("U");
+          }
+          if (!succ) this.apply("F R U R' U' F'"); // fallback
+        } else {
+          this.apply("U");
+        }
+      }
+    }
+  }
+
+  orientYellowCorners() {
+    let safetyCount = 0;
+    while (safetyCount++ < 25) {
+      if ([0, 1, 2, 3].filter((i) => this.cube.co[i] === 0).length === 4) break;
+      if (this.cube.co[0] === 0) this.apply("U");
+      else this.apply("R' D' R D R' D' R D");
+    }
+  }
+
+  permuteYellowCorners() {
+    let safetyCount = 0;
+    while (safetyCount++ < 15) {
+      let c0 = this.cube.cp[0],
+        c1 = this.cube.cp[1],
+        c2 = this.cube.cp[2],
+        c3 = this.cube.cp[3];
+      if (
+        (c1 - c0 + 4) % 4 === 1 &&
+        (c2 - c1 + 4) % 4 === 1 &&
+        (c3 - c2 + 4) % 4 === 1
+      )
+        break;
+
+      let succ = false;
+      for (let u = 0; u < 4; u++) {
+        for (let alg of [
+          "R' F R' B2 R F' R' B2 R2",
+          "R B' R F2 R' B R F2 R2",
+        ]) {
+          let t = this.cube.clone();
+          alg.split(" ").forEach((m) => (t = t.multiply(MOVES[m])));
+          let tc0 = t.cp[0],
+            tc1 = t.cp[1],
+            tc2 = t.cp[2],
+            tc3 = t.cp[3];
+          if (
+            (tc1 - tc0 + 4) % 4 === 1 &&
+            (tc2 - tc1 + 4) % 4 === 1 &&
+            (tc3 - tc2 + 4) % 4 === 1
+          ) {
+            this.apply(alg);
+            succ = true;
+            break;
+          }
+        }
+        if (succ) break;
+        this.apply("U");
+      }
+      if (succ) break;
+      this.apply("R' F R' B2 R F' R' B2 R2");
+    }
+  }
+
+  permuteYellowEdges() {
+    let s = 0;
+    while (this.cube.cp[0] !== 0 && s++ < 5) this.apply("U");
+
+    let safetyCount = 0;
+    while (safetyCount++ < 10) {
+      if (
+        this.cube.ep[0] === 0 &&
+        this.cube.ep[1] === 1 &&
+        this.cube.ep[2] === 2 &&
+        this.cube.ep[3] === 3
+      )
+        break;
+
+      let succ = false;
+      const uMoves = ["", "U ", "U2 ", "U' "];
+      const uMovesInv = ["", "U' ", "U2 ", "U "];
+
+      for (let u = 0; u < 4; u++) {
+        for (let baseAlg of [
+          "R U' R U R U R U' R' U' R2",
+          "L' U L' U' L' U' L' U L U L2",
+        ]) {
+          const fullAlg = uMoves[u] + baseAlg + " " + uMovesInv[u];
+          let t = this.cube.clone();
+          fullAlg
+            .split(" ")
+            .filter((x) => x)
+            .forEach((m) => (t = t.multiply(MOVES[m])));
+          if (
+            t.ep[0] === 0 &&
+            t.ep[1] === 1 &&
+            t.ep[2] === 2 &&
+            t.ep[3] === 3
+          ) {
+            this.apply(fullAlg);
+            succ = true;
+            break;
+          }
+        }
+        if (succ) break;
+      }
+      if (succ) break;
+      this.apply("R U' R U R U R U' R' U' R2"); // Fallback cycle
+    }
+  }
+
+  alignUFace() {
+    let s = 0;
+    while (this.cube.cp[0] !== 0 && s++ < 5) this.apply("U");
+  }
+
+  optimizeSolution() {
+    let stable = false;
+    while (!stable) {
+      stable = true;
+      for (let i = 0; i < this.solution.length - 1; i++) {
+        const a = this.solution[i];
+        const b = this.solution[i + 1];
+        if (a[0] === b[0]) {
+          const val = (m) => (m.includes("'") ? -1 : m.includes("2") ? 2 : 1);
+          let sum = (val(a) + val(b)) % 4;
+          if (sum < 0) sum += 4;
+          this.solution.splice(i, 2);
+          if (sum === 1) this.solution.splice(i, 0, a[0]);
+          else if (sum === 2) this.solution.splice(i, 0, a[0] + "2");
+          else if (sum === 3) this.solution.splice(i, 0, a[0] + "'");
+          stable = false;
+          break;
+        }
+      }
+    }
+  }
+}
--- a/src/utils/solvers/KociembaSolver.js
+++ b/src/utils/solvers/KociembaSolver.js
@@ -0,0 +1,139 @@
+import Cube from "cubejs";
+
+// Initialize the core pruning tables on module load
+Cube.initSolver();
+import { DeepCube, CORNERS, EDGES } from "../DeepCube.js";
+
+export class KociembaSolver {
+  constructor(cube) {
+    this.cube = cube.clone();
+  }
+
+  // Convert DeepCube permutation/orientation to Kociemba facelet string
+  // Kociemba format: U1..U9 R1..R9 F1..F9 D1..D9 L1..L9 B1..B9
+  toFaceletString() {
+    // Array of 54 characters representing the 6 faces.
+    // 0..8   = U
+    // 9..17  = R
+    // 18..26 = F
+    // 27..35 = D
+    // 36..44 = L
+    // 45..53 = B
+
+    const f = new Array(54).fill(" ");
+
+    // Centers
+    f[4] = "U";
+    f[13] = "R";
+    f[22] = "F";
+    f[31] = "D";
+    f[40] = "L";
+    f[49] = "B";
+
+    // DeepCube to Kociemba mapping:
+    // Corners:
+    // 0: URF, 1: UFL, 2: ULB, 3: UBR, 4: DFR, 5: DLF, 6: DBL, 7: DRB
+    // Edges:
+    // 0: UR, 1: UF, 2: UL, 3: UB, 4: DR, 5: DF, 6: DL, 7: DB, 8: FR, 9: FL, 10: BL, 11: BR
+
+    const cornerColors = [
+      ["U", "R", "F"], // 0: URF
+      ["U", "F", "L"], // 1: UFL
+      ["U", "L", "B"], // 2: ULB
+      ["U", "B", "R"], // 3: UBR
+      ["D", "F", "R"], // 4: DFR
+      ["D", "L", "F"], // 5: DLF
+      ["D", "B", "L"], // 6: DBL
+      ["D", "R", "B"], // 7: DRB
+    ];
+
+    const cornerFacelets = [
+      [8, 9, 20], // URF (U9, R1, F3)
+      [6, 18, 38], // UFL (U7, F1, L3)
+      [0, 36, 47], // ULB (U1, L1, B3)
+      [2, 45, 11], // UBR (U3, B1, R3)
+      [29, 26, 15], // DFR (D3, F9, R7)
+      [27, 44, 24], // DLF (D1, L9, F7)
+      [33, 53, 42], // DBL (D7, B9, L7)
+      [35, 17, 51], // DRB (D9, R9, B7)
+    ];
+
+    for (let i = 0; i < 8; i++) {
+      const perm = this.cube.cp[i];
+      const ori = this.cube.co[i];
+
+      // The physical piece at position `i` is `perm`.
+      // Its colors are cornerColors[perm].
+      // Because of orientation, the colors are shifted.
+      // If ori=0, U/D color is on U/D face.
+      // If ori=1, U/D color is twisted clockwise.
+      // If ori=2, U/D color is twisted counter-clockwise.
+
+      const c0 = cornerColors[perm][(0 - ori + 3) % 3];
+      const c1 = cornerColors[perm][(1 - ori + 3) % 3];
+      const c2 = cornerColors[perm][(2 - ori + 3) % 3];
+
+      f[cornerFacelets[i][0]] = c0;
+      f[cornerFacelets[i][1]] = c1;
+      f[cornerFacelets[i][2]] = c2;
+    }
+
+    const edgeColors = [
+      ["U", "R"], // 0: UR
+      ["U", "F"], // 1: UF
+      ["U", "L"], // 2: UL
+      ["U", "B"], // 3: UB
+      ["D", "R"], // 4: DR
+      ["D", "F"], // 5: DF
+      ["D", "L"], // 6: DL
+      ["D", "B"], // 7: DB
+      ["F", "R"], // 8: FR
+      ["F", "L"], // 9: FL
+      ["B", "L"], // 10: BL
+      ["B", "R"], // 11: BR
+    ];
+
+    const edgeFacelets = [
+      [5, 10], // UR (U6, R2)
+      [7, 19], // UF (U8, F2)
+      [3, 37], // UL (U4, L2)
+      [1, 46], // UB (U2, B2)
+      [32, 16], // DR (D6, R8)
+      [28, 25], // DF (D2, F8)
+      [30, 43], // DL (D4, L8)
+      [34, 52], // DB (D8, B8)
+      [23, 12], // FR (F6, R4)
+      [21, 41], // FL (F4, L6)
+      [50, 39], // BL (B6, L4)
+      [48, 14], // BR (B4, R6)
+    ];
+
+    for (let i = 0; i < 12; i++) {
+      const perm = this.cube.ep[i];
+      const ori = this.cube.eo[i];
+
+      const e0 = edgeColors[perm][(0 + ori) % 2];
+      const e1 = edgeColors[perm][(1 + ori) % 2];
+
+      f[edgeFacelets[i][0]] = e0;
+      f[edgeFacelets[i][1]] = e1;
+    }
+
+    return f.join("");
+  }
+
+  solve() {
+    const faceletStr = this.toFaceletString();
+    try {
+      const cube = Cube.fromString(faceletStr);
+      if (cube.isSolved()) return [];
+      const solution = cube.solve();
+      if (!solution) return [];
+      return solution.split(" ").filter((m) => m);
+    } catch (e) {
+      throw new Error(
+        `Kociemba Solve Failed: ${e.message} \nFacelet: ${faceletStr}`,
+      );
+    }
+  }
+}
--- a/src/workers/Cube.worker.js
+++ b/src/workers/Cube.worker.js
@@ -1,21 +1,22 @@
-import { RubiksJSModel } from '../utils/RubiksJSModel.js';
+import { RubiksJSModel } from "../utils/CubeLogicAdapter.js";

 const cube = new RubiksJSModel();

+
 // Helper to send state update
 const sendUpdate = () => {
  try {
    const cubies = cube.toCubies();
    // console.log('[Worker] Sending update with cubies:', cubies.length);
    postMessage({
-      type: 'STATE_UPDATE',
+      type: "STATE_UPDATE",
      payload: {
-        cubies
-      }
+        cubies,
+      },
    });
  } catch (e) {
-    console.error('[Worker] Error generating cubies:', e);
-    postMessage({ type: 'ERROR', payload: e.message });
+    console.error("[Worker] Error generating cubies:", e);
+    postMessage({ type: "ERROR", payload: e.message });
  }
 };

@@ -23,31 +24,31 @@ self.onmessage = (e) => {
  const { type, payload } = e.data;

  switch (type) {
-    case 'INIT':
-    case 'RESET':
+    case "INIT":
+    case "RESET":
      cube.reset();
      sendUpdate();
      break;

-    case 'ROTATE_LAYER': {
-      const { axis, index, direction } = payload;
-      cube.rotateLayer(axis, index, direction);
+    case "ROTATE_LAYER": {
+      const { axis, index, direction, steps = 1 } = payload;
+      cube.rotateLayer(axis, index, direction, steps);
      sendUpdate();
      break;
    }

-    case 'TURN': {
+    case "TURN": {
      const { move } = payload;
      cube.applyTurn(move);
      sendUpdate();
      break;
    }

-    case 'VALIDATE':
+    case "VALIDATE":
      const validation = cube.validate();
      postMessage({
-        type: 'VALIDATION_RESULT',
-        payload: { valid: validation.valid, errors: validation.errors }
+        type: "VALIDATION_RESULT",
+        payload: { valid: validation.valid, errors: validation.errors },
      });
      break;
  }
--- a/test/cube_integrity.test.js
+++ b/test/cube_integrity.test.js
@@ -1,8 +1,7 @@
+import { Cube, FACES, COLORS } from "../src/utils/Cube.js";
+import assert from "assert";

-import { Cube, FACES, COLORS } from '../src/utils/Cube.js';
-import assert from 'assert';
-
-console.log('Running Cube Integrity Tests...');
+console.log("Running Cube Integrity Tests...");

 const cube = new Cube();

@@ -15,11 +14,11 @@ const countColors = () => {
    [COLORS.RED]: 0,
    [COLORS.GREEN]: 0,
    [COLORS.BLUE]: 0,
-    [COLORS.BLACK]: 0 // Should be ignored or internal
+    [COLORS.BLACK]: 0, // Should be ignored or internal
  };

-  cube.cubies.forEach(cubie => {
-    Object.values(cubie.faces).forEach(color => {
+  cube.cubies.forEach((cubie) => {
+    Object.values(cubie.faces).forEach((color) => {
      if (counts[color] !== undefined) {
        counts[color]++;
      }
@@ -35,13 +34,13 @@ const verifyCounts = (counts) => {
  // 9 * 6 = 54 colored stickers.
  // 27 cubies * 6 faces = 162 total faces.
  // 162 - 54 = 108 black faces (internal).
-  
-  assert.strictEqual(counts[COLORS.WHITE], 9, 'White count should be 9');
-  assert.strictEqual(counts[COLORS.YELLOW], 9, 'Yellow count should be 9');
-  assert.strictEqual(counts[COLORS.ORANGE], 9, 'Orange count should be 9');
-  assert.strictEqual(counts[COLORS.RED], 9, 'Red count should be 9');
-  assert.strictEqual(counts[COLORS.GREEN], 9, 'Green count should be 9');
-  assert.strictEqual(counts[COLORS.BLUE], 9, 'Blue count should be 9');
+
+  assert.strictEqual(counts[COLORS.WHITE], 9, "White count should be 9");
+  assert.strictEqual(counts[COLORS.YELLOW], 9, "Yellow count should be 9");
+  assert.strictEqual(counts[COLORS.ORANGE], 9, "Orange count should be 9");
+  assert.strictEqual(counts[COLORS.RED], 9, "Red count should be 9");
+  assert.strictEqual(counts[COLORS.GREEN], 9, "Green count should be 9");
+  assert.strictEqual(counts[COLORS.BLUE], 9, "Blue count should be 9");
 };

 // Helper: Verify piece integrity
@@ -55,19 +54,24 @@ const verifyPieceTypes = () => {
  let centers = 0;
  let cores = 0;

-  cube.cubies.forEach(cubie => {
-    const coloredFaces = Object.values(cubie.faces).filter(c => c !== COLORS.BLACK).length;
+  cube.cubies.forEach((cubie) => {
+    const coloredFaces = Object.values(cubie.faces).filter(
+      (c) => c !== COLORS.BLACK,
+    ).length;
    if (coloredFaces === 3) corners++;
    else if (coloredFaces === 2) edges++;
    else if (coloredFaces === 1) centers++;
    else if (coloredFaces === 0) cores++;
-    else assert.fail(`Invalid cubie with ${coloredFaces} colors at (${cubie.x},${cubie.y},${cubie.z})`);
+    else
+      assert.fail(
+        `Invalid cubie with ${coloredFaces} colors at (${cubie.x},${cubie.y},${cubie.z})`,
+      );
  });

-  assert.strictEqual(corners, 8, 'Should have 8 corners');
-  assert.strictEqual(edges, 12, 'Should have 12 edges');
-  assert.strictEqual(centers, 6, 'Should have 6 centers');
-  assert.strictEqual(cores, 1, 'Should have 1 core');
+  assert.strictEqual(corners, 8, "Should have 8 corners");
+  assert.strictEqual(edges, 12, "Should have 12 edges");
+  assert.strictEqual(centers, 6, "Should have 6 centers");
+  assert.strictEqual(cores, 1, "Should have 1 core");
 };

 // Helper: Verify specific relative positions of centers (they never change relative to each other)
@@ -75,13 +79,15 @@ const verifyPieceTypes = () => {
 // Front (Green) opposite Back (Blue)
 // Left (Orange) opposite Right (Red)
 const verifyCenters = () => {
-  const centers = cube.cubies.filter(c => 
-    Object.values(c.faces).filter(f => f !== COLORS.BLACK).length === 1
+  const centers = cube.cubies.filter(
+    (c) =>
+      Object.values(c.faces).filter((f) => f !== COLORS.BLACK).length === 1,
  );
-  
+
  // Find center by color
-  const findCenter = (color) => centers.find(c => Object.values(c.faces).includes(color));
-  
+  const findCenter = (color) =>
+    centers.find((c) => Object.values(c.faces).includes(color));
+
  const white = findCenter(COLORS.WHITE);
  const yellow = findCenter(COLORS.YELLOW);
  const green = findCenter(COLORS.GREEN);
@@ -92,44 +98,43 @@ const verifyCenters = () => {
  // Check opposites
  // Distance between opposites should be 2 (e.g. y=1 and y=-1)
  // And they should be on same axis
-  
+
  // Note: After rotations, x/y/z coordinates change.
  // But relative vectors should hold?
  // Actually, centers DO rotate around the core.
  // But White is always opposite Yellow.
  // So vector(White) + vector(Yellow) == (0,0,0).
-  
+
  const checkOpposite = (c1, c2, name) => {
    assert.strictEqual(c1.x + c2.x, 0, `${name} X mismatch`);
    assert.strictEqual(c1.y + c2.y, 0, `${name} Y mismatch`);
    assert.strictEqual(c1.z + c2.z, 0, `${name} Z mismatch`);
  };

-  checkOpposite(white, yellow, 'White-Yellow');
-  checkOpposite(green, blue, 'Green-Blue');
-  checkOpposite(orange, red, 'Orange-Red');
+  checkOpposite(white, yellow, "White-Yellow");
+  checkOpposite(green, blue, "Green-Blue");
+  checkOpposite(orange, red, "Orange-Red");
 };

-
 // --- Test Execution ---

 // 1. Initial State
-console.log('Test 1: Initial State Integrity');
+console.log("Test 1: Initial State Integrity");
 verifyCounts(countColors());
 verifyPieceTypes();
 verifyCenters();
-console.log('PASS Initial State');
+console.log("PASS Initial State");

 // 2. Single Rotation (R)
-console.log('Test 2: Single Rotation (R)');
-cube.rotateLayer('x', 1, -1); // R
+console.log("Test 2: Single Rotation (R)");
+cube.rotateLayer("x", 1, -1); // R
 verifyCounts(countColors());
 verifyPieceTypes();
 verifyCenters();
-console.log('PASS Single Rotation');
+console.log("PASS Single Rotation");

 // 3. Multiple Rotations (R U R' U')
-console.log('Test 3: Sexy Move (R U R\' U\')');
+console.log("Test 3: Sexy Move (R U R' U')");
 cube.reset();
 cube.move("R");
 cube.move("U");
@@ -138,12 +143,12 @@ cube.move("U'");
 verifyCounts(countColors());
 verifyPieceTypes();
 verifyCenters();
-console.log('PASS Sexy Move');
+console.log("PASS Sexy Move");

 // 4. Random Rotations (Fuzzing)
-console.log('Test 4: 100 Random Moves');
+console.log("Test 4: 100 Random Moves");
 cube.reset();
-const axes = ['x', 'y', 'z'];
+const axes = ["x", "y", "z"];
 const indices = [-1, 0, 1];
 const dirs = [1, -1];

@@ -156,6 +161,6 @@ for (let i = 0; i < 100; i++) {
 verifyCounts(countColors());
 verifyPieceTypes();
 verifyCenters();
-console.log('PASS 100 Random Moves');
+console.log("PASS 100 Random Moves");

-console.log('ALL INTEGRITY TESTS PASSED');
+console.log("ALL INTEGRITY TESTS PASSED");
--- a/test/cube_logic.test.js
+++ b/test/cube_logic.test.js
@@ -1,32 +1,33 @@
+import { Cube, FACES, COLORS } from "../src/utils/Cube.js";
+import assert from "assert";

-import { Cube, FACES, COLORS } from '../src/utils/Cube.js';
-import assert from 'assert';
-
-console.log('Running Cube Logic Tests...');
+console.log("Running Cube Logic Tests...");

 const cube = new Cube();

 // Helper to check a specific face color at a position
 const checkFace = (x, y, z, face, expectedColor, message) => {
-  const cubie = cube.cubies.find(c => c.x === x && c.y === y && c.z === z);
+  const cubie = cube.cubies.find((c) => c.x === x && c.y === y && c.z === z);
  if (!cubie) {
    console.error(`Cubie not found at ${x}, ${y}, ${z}`);
    return false;
  }
  const color = cubie.faces[face];
  if (color !== expectedColor) {
-    console.error(`FAIL: ${message}. Expected ${expectedColor} at ${face} of (${x},${y},${z}), got ${color}`);
+    console.error(
+      `FAIL: ${message}. Expected ${expectedColor} at ${face} of (${x},${y},${z}), got ${color}`,
+    );
    return false;
  }
  return true;
 };

 // Test 1: Initial State
-console.log('Test 1: Initial State');
+console.log("Test 1: Initial State");
 // Top-Front-Right corner (1, 1, 1) should have Up=White, Front=Green, Right=Red
-checkFace(1, 1, 1, FACES.UP, COLORS.WHITE, 'Initial Top-Right-Front UP');
-checkFace(1, 1, 1, FACES.FRONT, COLORS.GREEN, 'Initial Top-Right-Front FRONT');
-checkFace(1, 1, 1, FACES.RIGHT, COLORS.RED, 'Initial Top-Right-Front RIGHT');
+checkFace(1, 1, 1, FACES.UP, COLORS.WHITE, "Initial Top-Right-Front UP");
+checkFace(1, 1, 1, FACES.FRONT, COLORS.GREEN, "Initial Top-Right-Front FRONT");
+checkFace(1, 1, 1, FACES.RIGHT, COLORS.RED, "Initial Top-Right-Front RIGHT");

 // Test 2: Rotate Right Face (R) -> Axis X, index 1, direction -1 (based on previous mapping)
 // Wait, let's test `rotateLayer` directly first with axis 'x'.
@@ -42,13 +43,20 @@ checkFace(1, 1, 1, FACES.RIGHT, COLORS.RED, 'Initial Top-Right-Front RIGHT');
 // The UP face of the cubie now points FRONT.
 // So the cubie at (1, -1, 1) should have FRONT = WHITE.

-console.log('Test 2: Rotate X Axis +90 (Right Layer)');
-cube.rotateLayer('x', 1, 1);
+console.log("Test 2: Rotate X Axis +90 (Right Layer)");
+cube.rotateLayer("x", 1, 1);

 // Cubie originally at (1, 1, 1) [White Up] moves to (1, -1, 1).
 // Check (1, -1, 1).
 // Its Front face should be White.
-const result1 = checkFace(1, -1, 1, FACES.FRONT, COLORS.WHITE, 'After X+90: Old Up(White) should be on Front');
+const result1 = checkFace(
+  1,
+  -1,
+  1,
+  FACES.FRONT,
+  COLORS.WHITE,
+  "After X+90: Old Up(White) should be on Front",
+);

 // Cubie originally at (1, 1, -1) [Blue Back, White Up] (Top-Back-Right)
 // (1, 1, -1) -> (1, 1, 1). (Top-Front-Right).
@@ -68,29 +76,42 @@ const result1 = checkFace(1, -1, 1, FACES.FRONT, COLORS.WHITE, 'After X+90: Old
 // Top (Y+) rotates to Front (Z+)?
 // Yes.
 // So the cubie at (1, 1, 1) (new position) should have FRONT = WHITE.
-const result2 = checkFace(1, 1, 1, FACES.FRONT, COLORS.WHITE, 'After X+90: Old Top-Back Up(White) should be on Front');
+const result2 = checkFace(
+  1,
+  1,
+  1,
+  FACES.FRONT,
+  COLORS.WHITE,
+  "After X+90: Old Top-Back Up(White) should be on Front",
+);

 if (result1 && result2) {
-    console.log('PASS: X Axis Rotation Logic seems correct (if fixed)');
+  console.log("PASS: X Axis Rotation Logic seems correct (if fixed)");
 } else {
-    console.log('FAIL: X Axis Rotation Logic is broken');
+  console.log("FAIL: X Axis Rotation Logic is broken");
 }

 // Reset for Y test
 cube.reset();
-console.log('Test 3: Rotate Y Axis +90 (Top Layer)');
+console.log("Test 3: Rotate Y Axis +90 (Top Layer)");
 // Top Layer (y=1).
 // Rotate Y+ (direction 1).
 // Front (z=1) -> Right (x=1).
 // Cubie at (0, 1, 1) (Front-Top-Center) [Green Front, White Up].
 // Moves to (1, 1, 0) (Right-Top-Center).
 // Its Front Face (Green) should move to Right Face.
-cube.rotateLayer('y', 1, 1);
-const resultY = checkFace(1, 1, 0, FACES.RIGHT, COLORS.GREEN, 'After Y+90: Old Front(Green) should be on Right');
+cube.rotateLayer("y", 1, 1);
+const resultY = checkFace(
+  1,
+  1,
+  0,
+  FACES.RIGHT,
+  COLORS.GREEN,
+  "After Y+90: Old Front(Green) should be on Right",
+);

 if (resultY) {
-    console.log('PASS: Y Axis Rotation Logic seems correct');
+  console.log("PASS: Y Axis Rotation Logic seems correct");
 } else {
-    console.log('FAIL: Y Axis Rotation Logic is broken');
+  console.log("FAIL: Y Axis Rotation Logic is broken");
 }
-
--- a/test/cube_matrix.test.js
+++ b/test/cube_matrix.test.js
@@ -1,19 +1,20 @@
+import { Cube, FACES, COLORS } from "../src/utils/Cube.js";
+import assert from "assert";

-import { Cube, FACES, COLORS } from '../src/utils/Cube.js';
-import assert from 'assert';
-
-console.log('Running Cube Matrix Rotation Tests...');
+console.log("Running Cube Matrix Rotation Tests...");

 const cube = new Cube();

 // Helper to check position and face
 const checkCubie = (origX, origY, origZ, newX, newY, newZ, faceCheck) => {
-  const cubie = cube.cubies.find(c => c.x === newX && c.y === newY && c.z === newZ);
+  const cubie = cube.cubies.find(
+    (c) => c.x === newX && c.y === newY && c.z === newZ,
+  );
  if (!cubie) {
    console.error(`FAIL: Cubie not found at ${newX}, ${newY}, ${newZ}`);
    return false;
  }
-  
+
  // Verify it's the correct original cubie (tracking ID would be better, but position logic is enough if unique)
  // Let's assume we track a specific cubie.
  return true;
@@ -24,14 +25,14 @@ const checkCubie = (origX, origY, origZ, newX, newY, newZ, faceCheck) => {
 // Top-Left (x=-1, y=1) -> Top-Right (x=1, y=1)?
 // Physical CW (Z-Axis): Up -> Right.
 // Top-Middle (0, 1) -> Right-Middle (1, 0).
-console.log('Test 1: Z-Axis CW (Front)');
+console.log("Test 1: Z-Axis CW (Front)");
 cube.reset();
 // Find Top-Middle of Front Face: (0, 1, 1). White Up, Green Front.
-const topMid = cube.cubies.find(c => c.x === 0 && c.y === 1 && c.z === 1);
+const topMid = cube.cubies.find((c) => c.x === 0 && c.y === 1 && c.z === 1);
 assert.strictEqual(topMid.faces[FACES.UP], COLORS.WHITE);
 assert.strictEqual(topMid.faces[FACES.FRONT], COLORS.GREEN);

-cube.rotateLayer('z', 1, -1); // CW (direction -1 in move(), but rotateLayer takes direction. Standard move F is direction -1?)
+cube.rotateLayer("z", 1, -1); // CW (direction -1 in move(), but rotateLayer takes direction. Standard move F is direction -1?)
 // move('F') calls rotateLayer('z', 1, -1).
 // So let's test rotateLayer('z', 1, -1).

@@ -40,27 +41,26 @@ cube.rotateLayer('z', 1, -1); // CW (direction -1 in move(), but rotateLayer tak
 // Z-Axis CW: Up -> Right.
 // So new pos should have Right=White.
 // Old Front (Green) stays Front.
-const newPos = cube.cubies.find(c => c.id === topMid.id);
+const newPos = cube.cubies.find((c) => c.id === topMid.id);
 console.log(`Moved to: (${newPos.x}, ${newPos.y}, ${newPos.z})`);
 assert.strictEqual(newPos.x, 1);
 assert.strictEqual(newPos.y, 0);
 assert.strictEqual(newPos.z, 1);
 assert.strictEqual(newPos.faces[FACES.RIGHT], COLORS.WHITE);
 assert.strictEqual(newPos.faces[FACES.FRONT], COLORS.GREEN);
-console.log('PASS Z-Axis CW');
-
+console.log("PASS Z-Axis CW");

 // Test 2: X-Axis Rotation (Right Face)
 // Right Face is x=1.
 // Top-Front (1, 1, 1) -> Top-Back (1, 1, -1)?
 // Physical CW (X-Axis): Up -> Front.
 // Top-Middle (1, 1, 0) -> Front-Middle (1, 0, 1).
-console.log('Test 2: X-Axis CW (Right)');
+console.log("Test 2: X-Axis CW (Right)");
 cube.reset();
 // Find Top-Middle of Right Face: (1, 1, 0). White Up, Red Right.
-const rightTop = cube.cubies.find(c => c.x === 1 && c.y === 1 && c.z === 0);
+const rightTop = cube.cubies.find((c) => c.x === 1 && c.y === 1 && c.z === 0);

-cube.rotateLayer('x', 1, -1); // CW (direction -1 for R in move()?)
+cube.rotateLayer("x", 1, -1); // CW (direction -1 for R in move()?)
 // move('R') calls rotateLayer('x', 1, -1).
 // So let's test -1.

@@ -69,15 +69,14 @@ cube.rotateLayer('x', 1, -1); // CW (direction -1 for R in move()?)
 // X-Axis CW (Right Face): Up -> Back.
 // So new pos should have Back=White.
 // Old Right (Red) stays Right.
-const newRightPos = cube.cubies.find(c => c.id === rightTop.id);
+const newRightPos = cube.cubies.find((c) => c.id === rightTop.id);
 console.log(`Moved to: (${newRightPos.x}, ${newRightPos.y}, ${newRightPos.z})`);
 assert.strictEqual(newRightPos.x, 1);
 assert.strictEqual(newRightPos.y, 0);
 assert.strictEqual(newRightPos.z, -1);
 assert.strictEqual(newRightPos.faces[FACES.BACK], COLORS.WHITE);
 assert.strictEqual(newRightPos.faces[FACES.RIGHT], COLORS.RED);
-console.log('PASS X-Axis CW');
-
+console.log("PASS X-Axis CW");

 // Test 3: Y-Axis Rotation (Up Face)
 // Up Face is y=1.
@@ -86,24 +85,23 @@ console.log('PASS X-Axis CW');
 // Wait. move('U') calls rotateLayer('y', 1, -1).
 // Standard U is CW. Y-Axis direction?
 // move('U'): dir = -1.
-console.log('Test 3: Y-Axis CW (Up)');
+console.log("Test 3: Y-Axis CW (Up)");
 cube.reset();
 // Find Front-Middle of Up Face: (0, 1, 1). Green Front, White Up.
-const upFront = cube.cubies.find(c => c.x === 0 && c.y === 1 && c.z === 1);
+const upFront = cube.cubies.find((c) => c.x === 0 && c.y === 1 && c.z === 1);

-cube.rotateLayer('y', 1, -1); // CW (direction -1).
+cube.rotateLayer("y", 1, -1); // CW (direction -1).

 // Expect: (0, 1, 1) -> (-1, 1, 0). (Left-Middle).
 // Faces: Old Front (Green) becomes Left?
 // Y-Axis CW (U): Front -> Left.
 // So new pos should have Left=Green.
 // Old Up (White) stays Up.
-const newUpPos = cube.cubies.find(c => c.id === upFront.id);
+const newUpPos = cube.cubies.find((c) => c.id === upFront.id);
 console.log(`Moved to: (${newUpPos.x}, ${newUpPos.y}, ${newUpPos.z})`);
 assert.strictEqual(newUpPos.x, -1);
 assert.strictEqual(newUpPos.y, 1);
 assert.strictEqual(newUpPos.z, 0);
 assert.strictEqual(newUpPos.faces[FACES.LEFT], COLORS.GREEN);
 assert.strictEqual(newUpPos.faces[FACES.UP], COLORS.WHITE);
-console.log('PASS Y-Axis CW');
-
+console.log("PASS Y-Axis CW");
--- a/test/debug_kociemba.js
+++ b/test/debug_kociemba.js
@@ -0,0 +1,24 @@
+import { DeepCube, MOVES } from "../src/utils/DeepCube.js";
+import { KociembaSolver } from "../src/utils/solvers/KociembaSolver.js";
+
+let cube = new DeepCube();
+
+const faceletStart = new KociembaSolver(cube).toFaceletString();
+console.log("Solved Facelet:");
+console.log(faceletStart);
+
+cube = cube.multiply(MOVES["R"]);
+const solverR = new KociembaSolver(cube);
+const faceletR = solverR.toFaceletString();
+console.log("Facelet after R:");
+console.log(faceletR);
+
+["U", "D", "R", "L", "F", "B"].forEach((m) => {
+  let c = new DeepCube().multiply(MOVES[m]);
+  let solver = new KociembaSolver(c);
+  try {
+    console.log(`Solution for ${m}:`, solver.solve().join(" "));
+  } catch (e) {
+    console.log(`Error on ${m}:`, e.message);
+  }
+});
--- a/test/generate_math.js
+++ b/test/generate_math.js
@@ -0,0 +1,197 @@
+const C = ["URF", "UFL", "ULB", "UBR", "DFR", "DLF", "DBL", "DRB"];
+const E = [
+  "UR",
+  "UF",
+  "UL",
+  "UB",
+  "DR",
+  "DF",
+  "DL",
+  "DB",
+  "FR",
+  "FL",
+  "BL",
+  "BR",
+];
+
+// Define physical coordinates for all 6 center stickers
+const faces = {
+  U: [0, 1, 0],
+  D: [0, -1, 0],
+  R: [1, 0, 0],
+  L: [-1, 0, 0],
+  F: [0, 0, 1],
+  B: [0, 0, -1],
+};
+
+// 8 corners, each with 3 stickers
+// URF corner has stickers pointing U, R, F
+const cornerStickers = [
+  ["U", "R", "F"],
+  ["U", "F", "L"],
+  ["U", "L", "B"],
+  ["U", "B", "R"],
+  ["D", "F", "R"],
+  ["D", "L", "F"],
+  ["D", "B", "L"],
+  ["D", "R", "B"],
+];
+
+// 12 edges, each with 2 stickers
+const edgeStickers = [
+  ["U", "R"],
+  ["U", "F"],
+  ["U", "L"],
+  ["U", "B"],
+  ["D", "R"],
+  ["D", "F"],
+  ["D", "L"],
+  ["D", "B"],
+  ["F", "R"],
+  ["F", "L"],
+  ["B", "L"],
+  ["B", "R"],
+];
+
+// Rotate a 3D vector around an axis by 90 deg clockwise looking at the face
+function rotate(vec, axis) {
+  let [x, y, z] = vec;
+  // Holding the face and turning clockwise:
+  // U (Y+): Back(-Z) -> Right(+X) -> Front(+Z) -> Left(-X) -> Back(-Z)
+  //         So X becomes Z, Z becomes -X
+  // Let's test UBR (X=1, Z=-1).
+  // Clockwise: UBR(TopRight) -> URF(BottomRight) -> UFL(BottomLeft) -> ULB(TopLeft).
+  // UBR (1,-1) -> URF (1,1). We need X'=1, Z'=1 from X=1, Z=-1.
+  // Formula for X'=1, Z'=1: X' = -Z, Z' = X.
+  // Let's try URF(1,1) -> UFL(-1,1): X' = -1, Z' = 1. matches X'=-Z, Z'=X.
+  // So U is [-z, y, x]
+  // D (Y-): Looking from bottom: Front(+Z) -> Right(+X) -> Back(-Z) -> Left(-X)
+  //         So Front(Z=1) -> Right(X=1). Z'= -X? Yes. X'=Z.
+  //         So D is [z, y, -x]
+  // R (X+): Up(+Y) -> Back(-Z) -> Down(-Y) -> Front(+Z)
+  //         So Up(Y=1) -> Back(Z=-1). Y'= -Z? Yes. Z'=Y.
+  //         So R is [x, -z, y]
+  // L (X-): Up(+Y) -> Front(+Z) -> Down(-Y) -> Back(-Z)
+  //         So Up(Y=1) -> Front(Z=1). Y'= Z. Z'= -Y.
+  //         So L is [x, z, -y]
+  // F (Z+): Up(+Y) -> Right(+X) -> Down(-Y) -> Left(-X)
+  //         So Up(Y=1) -> Right(X=1). X'=Y. Y'=-X.
+  //         So F is [y, -x, z]
+  // B (Z-): Up(+Y) -> Left(-X) -> Down(-Y) -> Right(+X)
+  //         So Up(Y=1) -> Left(X=-1). X'=-Y. Y'=X.
+  //         So B is [-y, x, z]
+
+  if (axis === "U") return [-z, y, x];
+  if (axis === "D") return [z, y, -x];
+  if (axis === "R") return [x, z, -y];
+  if (axis === "L") return [x, -z, y];
+  if (axis === "F") return [y, -x, z];
+  if (axis === "B") return [-y, x, z];
+}
+
+// Map a rotated vector back to a face name
+function vecToFace(vec) {
+  for (let f in faces) {
+    if (
+      faces[f][0] === vec[0] &&
+      faces[f][1] === vec[1] &&
+      faces[f][2] === vec[2]
+    )
+      return f;
+  }
+}
+
+function generateMove(axis) {
+  let cp = [],
+    co = [],
+    ep = [],
+    eo = [];
+
+  // CORNERS
+  for (let c = 0; c < 8; c++) {
+    if (!cornerStickers[c].includes(axis)) {
+      cp[c] = c;
+      co[c] = 0;
+      continue;
+    }
+
+    let pos = [0, 0, 0];
+    cornerStickers[c].forEach((f) => {
+      pos[0] += faces[f][0];
+      pos[1] += faces[f][1];
+      pos[2] += faces[f][2];
+    });
+    let newPos = rotate(pos, axis);
+
+    let targetC = -1;
+    for (let i = 0; i < 8; i++) {
+      let p2 = [0, 0, 0];
+      cornerStickers[i].forEach((f) => {
+        p2[0] += faces[f][0];
+        p2[1] += faces[f][1];
+        p2[2] += faces[f][2];
+      });
+      if (p2[0] === newPos[0] && p2[1] === newPos[1] && p2[2] === newPos[2])
+        targetC = i;
+    }
+
+    cp[targetC] = c;
+
+    let rotatedStickers = cornerStickers[c].map((f) =>
+      vecToFace(rotate(faces[f], axis)),
+    );
+    let ori = cornerStickers[targetC].indexOf(rotatedStickers[0]);
+    co[targetC] = ori;
+  }
+
+  // EDGES
+  for (let e = 0; e < 12; e++) {
+    if (!edgeStickers[e].includes(axis)) {
+      ep[e] = e;
+      eo[e] = 0;
+      continue;
+    }
+
+    let pos = [0, 0, 0];
+    edgeStickers[e].forEach((f) => {
+      pos[0] += faces[f][0];
+      pos[1] += faces[f][1];
+      pos[2] += faces[f][2];
+    });
+    let newPos = rotate(pos, axis);
+
+    let targetE = -1;
+    for (let i = 0; i < 12; i++) {
+      let p2 = [0, 0, 0];
+      edgeStickers[i].forEach((f) => {
+        p2[0] += faces[f][0];
+        p2[1] += faces[f][1];
+        p2[2] += faces[f][2];
+      });
+      if (p2[0] === newPos[0] && p2[1] === newPos[1] && p2[2] === newPos[2])
+        targetE = i;
+    }
+
+    ep[targetE] = e;
+
+    let rotatedStickers = edgeStickers[e].map((f) =>
+      vecToFace(rotate(faces[f], axis)),
+    );
+    let primarySticker = rotatedStickers[0];
+    let ori = primarySticker === edgeStickers[targetE][0] ? 0 : 1;
+    eo[targetE] = ori;
+  }
+
+  return { cp, co, ep, eo };
+}
+
+const moves = ["U", "R", "F", "D", "L", "B"];
+moves.forEach((m) => {
+  const res = generateMove(m);
+  console.log(`MOVES['${m}'] = new DeepCube(
+  [${res.cp.map((e) => `CORNERS.${C[e]}`).join(", ")}],
+  [${res.co.join(", ")}],
+  [${res.ep.map((e) => `EDGES.${E[e]}`).join(", ")}],
+  [${res.eo.join(", ")}]
+)`);
+});
--- a/test/math_output.txt
+++ b/test/math_output.txt
@@ -0,0 +1,36 @@
+MOVES['U'] = new DeepCube(
+  [CORNERS.UFL, CORNERS.ULB, CORNERS.UBR, CORNERS.URF, CORNERS.DFR, CORNERS.DLF, CORNERS.DBL, CORNERS.DRB],
+  [0, 0, 0, 0, 0, 0, 0, 0],
+  [EDGES.UF, EDGES.UL, EDGES.UB, EDGES.UR, EDGES.DR, EDGES.DF, EDGES.DL, EDGES.DB, EDGES.FR, EDGES.FL, EDGES.BL, EDGES.BR],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
+)
+MOVES['R'] = new DeepCube(
+  [CORNERS.DFR, CORNERS.UFL, CORNERS.ULB, CORNERS.URF, CORNERS.DRB, CORNERS.DLF, CORNERS.DBL, CORNERS.UBR],
+  [2, 0, 0, 1, 1, 0, 0, 2],
+  [EDGES.FR, EDGES.UF, EDGES.UL, EDGES.UB, EDGES.BR, EDGES.DF, EDGES.DL, EDGES.DB, EDGES.DR, EDGES.FL, EDGES.BL, EDGES.UR],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
+)
+MOVES['F'] = new DeepCube(
+  [CORNERS.UFL, CORNERS.DLF, CORNERS.ULB, CORNERS.UBR, CORNERS.URF, CORNERS.DFR, CORNERS.DBL, CORNERS.DRB],
+  [1, 2, 0, 0, 2, 1, 0, 0],
+  [EDGES.UR, EDGES.FL, EDGES.UL, EDGES.UB, EDGES.DR, EDGES.FR, EDGES.DL, EDGES.DB, EDGES.UF, EDGES.DF, EDGES.BL, EDGES.BR],
+  [0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0]
+)
+MOVES['D'] = new DeepCube(
+  [CORNERS.URF, CORNERS.UFL, CORNERS.ULB, CORNERS.UBR, CORNERS.DLF, CORNERS.DBL, CORNERS.DRB, CORNERS.DFR],
+  [0, 0, 0, 0, 0, 0, 0, 0],
+  [EDGES.UR, EDGES.UF, EDGES.UL, EDGES.UB, EDGES.DF, EDGES.DL, EDGES.DB, EDGES.DR, EDGES.FR, EDGES.FL, EDGES.BL, EDGES.BR],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
+)
+MOVES['L'] = new DeepCube(
+  [CORNERS.URF, CORNERS.ULB, CORNERS.DBL, CORNERS.UBR, CORNERS.DFR, CORNERS.UFL, CORNERS.DLF, CORNERS.DRB],
+  [0, 1, 2, 0, 0, 2, 1, 0],
+  [EDGES.UR, EDGES.UF, EDGES.BL, EDGES.UB, EDGES.DR, EDGES.DF, EDGES.FL, EDGES.DB, EDGES.FR, EDGES.UL, EDGES.DL, EDGES.BR],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
+)
+MOVES['B'] = new DeepCube(
+  [CORNERS.URF, CORNERS.UFL, CORNERS.UBR, CORNERS.DRB, CORNERS.DFR, CORNERS.DLF, CORNERS.ULB, CORNERS.DBL],
+  [0, 0, 1, 2, 0, 0, 2, 1],
+  [EDGES.UR, EDGES.UF, EDGES.UL, EDGES.BR, EDGES.DR, EDGES.DF, EDGES.DL, EDGES.BL, EDGES.FR, EDGES.FL, EDGES.UB, EDGES.DB],
+  [0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1]
+)
--- a/test/simulate_moves.js
+++ b/test/simulate_moves.js
@@ -1,15 +1,16 @@
-
-import { Cube, FACES, COLORS } from '../src/utils/Cube.js';
+import { Cube, FACES, COLORS } from "../src/utils/Cube.js";

 // Helper to print face
 const printFace = (matrix, name) => {
  console.log(`--- ${name} ---`);
-  matrix.forEach(row => console.log(row.map(c => c ? c[0].toUpperCase() : '-').join(' ')));
+  matrix.forEach((row) =>
+    console.log(row.map((c) => (c ? c[0].toUpperCase() : "-")).join(" ")),
+  );
 };

 // Helper to check if a face matches expected color (center color)
 const checkFaceColor = (matrix, expectedColor) => {
-  return matrix.every(row => row.every(c => c === expectedColor));
+  return matrix.every((row) => row.every((c) => c === expectedColor));
 };

 console.log("=== RUBIK'S CUBE SIMULATION & DIAGNOSTIC ===");
@@ -19,7 +20,7 @@ const cube = new Cube();
 // 1. Initial State Check
 console.log("\n1. Checking Initial State...");
 let state = cube.getState();
-const isSolved = 
+const isSolved =
  checkFaceColor(state[FACES.UP], COLORS.WHITE) &&
  checkFaceColor(state[FACES.DOWN], COLORS.YELLOW) &&
  checkFaceColor(state[FACES.FRONT], COLORS.GREEN) &&
@@ -52,20 +53,28 @@ console.log("\n2. Simulating: Left Layer (x=-1) Rotation (L-like move)...");

 // Try direction = 1
 console.log("-> Applying rotateLayer('x', -1, 1)...");
-cube.rotateLayer('x', -1, 1);
+cube.rotateLayer("x", -1, 1);
 state = cube.getState();

 // Check result on Left Column of Front Face
 // Front is Green. Top is White.
 // If L (Drag Down): Front-Left-Col should be White.
-const frontLeftCol = [state[FACES.FRONT][0][0], state[FACES.FRONT][1][0], state[FACES.FRONT][2][0]];
+const frontLeftCol = [
+  state[FACES.FRONT][0][0],
+  state[FACES.FRONT][1][0],
+  state[FACES.FRONT][2][0],
+];
 console.log("Front Left Column colors:", frontLeftCol);

-if (frontLeftCol.every(c => c === COLORS.WHITE)) {
-  console.log("✅ Result: Front got White (Top). This matches 'Drag Down' (L move).");
+if (frontLeftCol.every((c) => c === COLORS.WHITE)) {
+  console.log(
+    "✅ Result: Front got White (Top). This matches 'Drag Down' (L move).",
+  );
  console.log("=> CONCLUSION: direction=1 corresponds to Drag Down (L).");
-} else if (frontLeftCol.every(c => c === COLORS.YELLOW)) {
-  console.log("⚠️ Result: Front got Yellow (Down). This matches 'Drag Up' (L' move).");
+} else if (frontLeftCol.every((c) => c === COLORS.YELLOW)) {
+  console.log(
+    "⚠️ Result: Front got Yellow (Down). This matches 'Drag Up' (L' move).",
+  );
  console.log("=> CONCLUSION: direction=1 corresponds to Drag Up (L').");
 } else {
  console.error("❌ Unexpected colors:", frontLeftCol);
@@ -89,7 +98,7 @@ cube.reset();
 console.log("\n3. Simulating: Top Layer (y=1) Rotation...");
 // Try direction = 1
 console.log("-> Applying rotateLayer('y', 1, 1)...");
-cube.rotateLayer('y', 1, 1);
+cube.rotateLayer("y", 1, 1);
 state = cube.getState();

 // Check result on Top Row of Front Face
@@ -104,10 +113,10 @@ state = cube.getState();
 const frontTopRow = state[FACES.FRONT][0];
 console.log("Front Top Row colors:", frontTopRow);

-if (frontTopRow.every(c => c === COLORS.ORANGE)) {
+if (frontTopRow.every((c) => c === COLORS.ORANGE)) {
  console.log("✅ Result: Front got Orange (Left). This matches 'Drag Right'.");
  console.log("=> CONCLUSION: direction=1 corresponds to Drag Right.");
-} else if (frontTopRow.every(c => c === COLORS.RED)) {
+} else if (frontTopRow.every((c) => c === COLORS.RED)) {
  console.log("⚠️ Result: Front got Red (Right). This matches 'Drag Left'.");
  console.log("=> CONCLUSION: direction=1 corresponds to Drag Left.");
 } else {
--- a/test/test_aperm.js
+++ b/test/test_aperm.js
@@ -0,0 +1,9 @@
+import { DeepCube, MOVES } from '../src/utils/DeepCube.js';
+let cube = new DeepCube();
+const apply = (str) => { str.split(' ').filter(x => x).forEach(m => cube = cube.multiply(MOVES[m])); };
+
+apply("R' F R' B2 R F' R' B2 R2");
+console.log(`cp after A-perm:`, cube.cp.slice(0, 4));
+// We want to see which two corners are swapped.
+// Solved is 0,1,2,3.
+// If it prints 0,1,3,2, then 2 and 3 are swapped (Back corners).
--- a/test/test_beginner_freeze.js
+++ b/test/test_beginner_freeze.js
@@ -0,0 +1,25 @@
+import { DeepCube, MOVES } from '../src/utils/DeepCube.js';
+import { BeginnerSolver } from '../src/utils/solvers/BeginnerSolver.js';
+
+let cube = new DeepCube();
+const scramble = "R U R' U' R' F R2 U' R' U' R U R' F'"; // T-perm
+scramble.split(' ').forEach(move => {
+  cube = cube.multiply(MOVES[move]);
+});
+
+console.log('Testing BeginnerSolver with T-perm...');
+const solver = new BeginnerSolver(cube);
+
+// Add some logging to the solver's methods to trace execution
+const originalApply = solver.apply.bind(solver);
+solver.apply = (moveStr) => {
+  // console.log('Applying:', moveStr);
+  originalApply(moveStr);
+};
+
+try {
+  const solution = solver.solve();
+  console.log('Solution found:', solution.join(' '));
+} catch (e) {
+  console.error('Error during solve:', e);
+}
--- a/test/test_beginner_random.js
+++ b/test/test_beginner_random.js
@@ -0,0 +1,41 @@
+import { DeepCube, MOVES } from "../src/utils/DeepCube.js";
+import { BeginnerSolver } from "../src/utils/solvers/BeginnerSolver.js";
+
+const allMoves = Object.keys(MOVES);
+
+const getRandomScramble = (length = 20) => {
+  let s = [];
+  for (let i = 0; i < length; i++)
+    s.push(allMoves[Math.floor(Math.random() * allMoves.length)]);
+  return s.join(" ");
+};
+
+for (let i = 1; i <= 20; i++) {
+  let cube = new DeepCube();
+  const scramble = getRandomScramble();
+  scramble.split(" ").forEach((move) => (cube = cube.multiply(MOVES[move])));
+
+  const startTime = Date.now();
+  const solver = new BeginnerSolver(cube);
+  try {
+    const solution = solver.solve();
+    const elapsedTime = Date.now() - startTime;
+    console.log(
+      `Test ${i}: Solved in ${elapsedTime}ms. Solution length: ${solution.length}`,
+    );
+
+    // Verify it actually solved it
+    let testCube = cube.clone();
+    solution.forEach((m) => (testCube = testCube.multiply(MOVES[m])));
+    if (!solver.isSolvedState(testCube)) {
+      console.error(
+        `ERROR: Test ${i} failed to fully solve the cube mathematically!`,
+      );
+      process.exit(1);
+    }
+  } catch (e) {
+    console.error(`ERROR: Test ${i} threw an exception:`, e);
+    process.exit(1);
+  }
+}
+console.log("All 20 tests passed flawlessly!");
--- a/test/test_diagnostics.js
+++ b/test/test_diagnostics.js
@@ -0,0 +1,34 @@
+import { DeepCube, MOVES } from '../src/utils/DeepCube.js';
+import { BeginnerSolver } from '../src/utils/solvers/BeginnerSolver.js';
+
+const allMoves = Object.keys(MOVES);
+const getRandomScramble = (length = 20) => {
+    let s = [];
+    for (let i = 0; i < length; i++) s.push(allMoves[Math.floor(Math.random() * allMoves.length)]);
+    return s.join(' ');
+};
+
+let cube = new DeepCube();
+const scramble = getRandomScramble();
+scramble.split(' ').forEach(move => cube = cube.multiply(MOVES[move]));
+
+const solver = new BeginnerSolver(cube);
+solver.solve();
+
+console.log("Check Cross:");
+for (let i of [4, 5, 6, 7]) console.log(`Edge ${i}: ep=${solver.cube.ep.indexOf(i)} eo=${solver.cube.eo[solver.cube.ep.indexOf(i)]}`);
+
+console.log("Check F2L Corners:");
+for (let i of [4, 5, 6, 7]) console.log(`Corner ${i}: cp=${solver.cube.cp.indexOf(i)} co=${solver.cube.co[solver.cube.cp.indexOf(i)]}`);
+
+console.log("Check F2L Edges:");
+for (let i of [8, 9, 10, 11]) console.log(`Edge ${i}: ep=${solver.cube.ep.indexOf(i)} eo=${solver.cube.eo[solver.cube.ep.indexOf(i)]}`);
+
+console.log("Check OLL:");
+console.log(`co:`, solver.cube.co.slice(0, 4));
+console.log(`eo:`, solver.cube.eo.slice(0, 4));
+
+console.log("Check PLL:");
+console.log(`cp:`, solver.cube.cp.slice(0, 4));
+console.log(`ep:`, solver.cube.ep.slice(0, 4));
+
--- a/test/test_diagnostics2.js
+++ b/test/test_diagnostics2.js
@@ -0,0 +1,40 @@
+import { DeepCube, MOVES } from '../src/utils/DeepCube.js';
+import { BeginnerSolver } from '../src/utils/solvers/BeginnerSolver.js';
+
+const allMoves = Object.keys(MOVES);
+const getRandomScramble = (length = 20) => {
+    let s = [];
+    for (let i = 0; i < length; i++) s.push(allMoves[Math.floor(Math.random() * allMoves.length)]);
+    return s.join(' ');
+};
+
+for (let iter = 0; iter < 100; iter++) {
+    let cube = new DeepCube();
+    const scramble = getRandomScramble();
+    scramble.split(' ').forEach(move => cube = cube.multiply(MOVES[move]));
+
+    const solver = new BeginnerSolver(cube);
+    solver.solve();
+
+    if (!solver.isSolvedState(solver.cube)) {
+        console.log("FAILED ON SCRAMBLE:", scramble);
+        console.log("Check Cross:");
+        for (let i of [4, 5, 6, 7]) console.log(`Edge ${i}: ep=${solver.cube.ep.indexOf(i)} eo=${solver.cube.eo[solver.cube.ep.indexOf(i)]}`);
+
+        console.log("Check F2L Corners:");
+        for (let i of [4, 5, 6, 7]) console.log(`Corner ${i}: cp=${solver.cube.cp.indexOf(i)} co=${solver.cube.co[solver.cube.cp.indexOf(i)]}`);
+
+        console.log("Check F2L Edges:");
+        for (let i of [8, 9, 10, 11]) console.log(`Edge ${i}: ep=${solver.cube.ep.indexOf(i)} eo=${solver.cube.eo[solver.cube.ep.indexOf(i)]}`);
+
+        console.log("Check OLL:");
+        console.log(`co:`, solver.cube.co.slice(0, 4));
+        console.log(`eo:`, solver.cube.eo.slice(0, 4));
+
+        console.log("Check PLL:");
+        console.log(`cp:`, solver.cube.cp.slice(0, 4));
+        console.log(`ep:`, solver.cube.ep.slice(0, 4));
+        process.exit(1);
+    }
+}
+console.log("All 100 tests passed!");
--- a/test/test_macros.js
+++ b/test/test_macros.js
@@ -0,0 +1,24 @@
+import { DeepCube, MOVES } from '../src/utils/DeepCube.js';
+
+let cube = new DeepCube();
+const apply = (str) => {
+    str.split(' ').forEach(m => {
+        cube = cube.multiply(MOVES[m]);
+    });
+};
+
+apply("R U R'");
+console.log("Piece 4 (R U R') is at position:", cube.cp.indexOf(4), "Orientation:", cube.co[cube.cp.indexOf(4)]);
+
+cube = new DeepCube();
+apply("R U' R' U R U2 R'");
+console.log("Piece 4 (Up-face extraction) position:", cube.cp.indexOf(4), "Orientation:", cube.co[cube.cp.indexOf(4)]);
+
+cube = new DeepCube();
+apply("R U R'"); // insert front facing
+console.log("Piece 4 (Front-face extraction) position:", cube.cp.indexOf(4), "Orientation:", cube.co[cube.cp.indexOf(4)]);
+
+cube = new DeepCube();
+apply("F' U' F"); // insert left facing
+console.log("Piece 4 (Side-face extraction) position:", cube.cp.indexOf(4), "Orientation:", cube.co[cube.cp.indexOf(4)]);
+
--- a/test/test_macros2.js
+++ b/test/test_macros2.js
@@ -0,0 +1,24 @@
+import { DeepCube, MOVES } from '../src/utils/DeepCube.js';
+
+let cube;
+const apply = (str) => {
+    str.split(' ').forEach(m => {
+        cube = cube.multiply(MOVES[m]);
+    });
+};
+
+const check = (name, alg, initPos, initOri) => {
+    cube = new DeepCube();
+    apply(alg);
+    // We applied alg to a SOLVED cube.
+    // The piece that WAS at 4 (DFR) is now at some position P with orientation O.
+    // To solve it, we would need to reverse the alg.
+    // So if we find a piece at P with orientation O, we apply the reverse alg!
+    console.log(`${name}: Extraction piece 4 is at pos ${cube.cp.indexOf(4)} ori ${cube.co[cube.cp.indexOf(4)]}`);
+};
+
+check("R U R'", "R U R'");
+check("R U' R'", "R U' R'");
+check("F' U' F", "F' U' F");
+check("R U2 R' U' R U R'", "R U' R' U R U2 R'");
+
--- a/test/test_macros3.js
+++ b/test/test_macros3.js
@@ -0,0 +1,10 @@
+import { DeepCube, MOVES } from '../src/utils/DeepCube.js';
+
+let cube = new DeepCube();
+const apply = (str) => { str.split(' ').forEach(m => { cube = cube.multiply(MOVES[m]); }); };
+
+cube = new DeepCube(); apply("F' U F");
+console.log("F' U F reverse puts piece 4 at pos:", cube.cp.indexOf(4), "ori:", cube.co[cube.cp.indexOf(4)]);
+
+cube = new DeepCube(); apply("U' F' U F");
+console.log("U' F' U F reverse puts piece 4 at pos:", cube.cp.indexOf(4), "ori:", cube.co[cube.cp.indexOf(4)]);
--- a/test/test_macros4.js
+++ b/test/test_macros4.js
@@ -0,0 +1,22 @@
+import { DeepCube, MOVES } from '../src/utils/DeepCube.js';
+
+let cube = new DeepCube();
+const apply = (str) => { str.split(' ').forEach(m => { cube = cube.multiply(MOVES[m]); }); };
+
+const check = (name, alg, expectedPos, expectedOri) => {
+    cube = new DeepCube();
+    apply(alg); // reverse of extraction
+    let p5 = cube.cp.indexOf(5); let o5 = cube.co[p5];
+    console.log(`${name}: pos 5 is ${p5} (expected ${expectedPos}), ori ${o5} (expected ${expectedOri})`);
+};
+
+// DLF (5) Target UFL (1)
+check("F' U' F reverse", "F' U F", 1, 2); // if reverse puts it at pos 1 ori 2, then if at pos 1 ori 2 use F' U' F!
+check("L U L' reverse", "L U' L'", 1, 1);
+check("L' U' L reverse", "L' U L", 1, 1); // wait, L' moves DLF to UBL(2)? Let's find out!
+
+// Check extraction from 5
+cube = new DeepCube(); apply("L U L'");
+console.log("Extract DLF (5) with L U L' gives pos:", cube.cp.indexOf(5), "ori:", cube.co[cube.cp.indexOf(5)]);
+cube = new DeepCube(); apply("F' U' F");
+console.log("Extract DLF (5) with F' U' F gives pos:", cube.cp.indexOf(5), "ori:", cube.co[cube.cp.indexOf(5)]);
--- a/test/test_moves.js
+++ b/test/test_moves.js
@@ -0,0 +1,22 @@
+import { DeepCube, MOVES } from '../src/utils/DeepCube.js';
+
+let cube = new DeepCube(); 
+const apply = (str) => {
+  str.split(' ').forEach(m => {
+    cube = cube.multiply(MOVES[m]);
+  });
+};
+
+// We want to verify `R U R'` extracts piece 4 (DFR) to U layer.
+apply("R U R'");
+console.log("Piece 4 is at position:", cube.cp.indexOf(4), "Orientation:", cube.co[cube.cp.indexOf(4)]);
+
+cube = new DeepCube();
+// What if piece 4 is at URF (position 0)? We want to insert it to DFR (position 4).
+// If Yellow is UP, co=0.
+// Let's create a state where DFR is at URF with co=0. 
+// We can do this by applying R U2 R' U' R U R' IN REVERSE to extract it.
+// Reverse of R U2 R' U' R U R' is: R U' R' U R U2 R'
+apply("R U' R' U R U2 R'");
+console.log("Extraction -> Piece 4 position:", cube.cp.indexOf(4), "Orientation:", cube.co[cube.cp.indexOf(4)]);
+
--- a/test/test_new_model.js
+++ b/test/test_new_model.js
@@ -1,7 +1,6 @@
+import { CubeModel, FACES, COLORS } from "../src/utils/CubeModel.js";

-import { CubeModel, FACES, COLORS } from '../src/utils/CubeModel.js';
-
-console.log('Running CubeModel Rotation Logic Tests...');
+console.log("Running CubeModel Rotation Logic Tests...");

 const cube1 = new CubeModel();
 const cube2 = new CubeModel();
@@ -14,9 +13,9 @@ const compareCubes = (c1, c2, message) => {
    return true;
  } else {
    console.error(`❌ FAIL: ${message}`);
-    console.log('Expected (Standard Move):');
+    console.log("Expected (Standard Move):");
    console.log(s2);
-    console.log('Actual (Layer Rotation):');
+    console.log("Actual (Layer Rotation):");
    console.log(s1);
    return false;
  }
@@ -25,48 +24,47 @@ const compareCubes = (c1, c2, message) => {
 // Test 1: Top Layer (y=1) CW vs U
 cube1.reset();
 cube2.reset();
-console.log('Testing Top Layer CW vs U...');
-cube1.rotateLayer('y', 1, 1); // Top CW
-cube2.applyMove('U');
+console.log("Testing Top Layer CW vs U...");
+cube1.rotateLayer("y", 1, 1); // Top CW
+cube2.applyMove("U");
 compareCubes(cube1, cube2, "Top Layer CW matches U");

 // Test 2: Bottom Layer (y=-1) CW vs D
 cube1.reset();
 cube2.reset();
-console.log('Testing Bottom Layer CW vs D...');
-cube1.rotateLayer('y', -1, -1); // Bottom CW (CW around -Y is CCW around Y)
-cube2.applyMove('D');
+console.log("Testing Bottom Layer CW vs D...");
+cube1.rotateLayer("y", -1, -1); // Bottom CW (CW around -Y is CCW around Y)
+cube2.applyMove("D");
 compareCubes(cube1, cube2, "Bottom Layer CW matches D");

 // Test 3: Left Layer (x=-1) CW vs L
 cube1.reset();
 cube2.reset();
-console.log('Testing Left Layer CW vs L...');
-cube1.rotateLayer('x', -1, -1); // Left CW (CW around -X is CCW around X)
-cube2.applyMove('L');
+console.log("Testing Left Layer CW vs L...");
+cube1.rotateLayer("x", -1, -1); // Left CW (CW around -X is CCW around X)
+cube2.applyMove("L");
 compareCubes(cube1, cube2, "Left Layer CW matches L");

 // Test 4: Right Layer (x=1) CW vs R
 cube1.reset();
 cube2.reset();
-console.log('Testing Right Layer CW vs R...');
-cube1.rotateLayer('x', 1, 1); // Right CW
-cube2.applyMove('R');
+console.log("Testing Right Layer CW vs R...");
+cube1.rotateLayer("x", 1, 1); // Right CW
+cube2.applyMove("R");
 compareCubes(cube1, cube2, "Right Layer CW matches R");

 // Test 5: Front Layer (z=1) CW vs F
 cube1.reset();
 cube2.reset();
-console.log('Testing Front Layer CW vs F...');
-cube1.rotateLayer('z', 1, 1); // Front CW
-cube2.applyMove('F');
+console.log("Testing Front Layer CW vs F...");
+cube1.rotateLayer("z", 1, 1); // Front CW
+cube2.applyMove("F");
 compareCubes(cube1, cube2, "Front Layer CW matches F");

 // Test 6: Back Layer (z=-1) CW vs B
 cube1.reset();
 cube2.reset();
-console.log('Testing Back Layer CW vs B...');
-cube1.rotateLayer('z', -1, -1); // Back CW (CW around -Z is CCW around Z)
-cube2.applyMove('B');
+console.log("Testing Back Layer CW vs B...");
+cube1.rotateLayer("z", -1, -1); // Back CW (CW around -Z is CCW around Z)
+cube2.applyMove("B");
 compareCubes(cube1, cube2, "Back Layer CW matches B");
-
--- a/test/test_rubiks_import.js
+++ b/test/test_rubiks_import.js
@@ -1,12 +0,0 @@
-
-import { State } from 'rubiks-js/src/state/index.js';
-
-console.log('State imported successfully');
-const state = new State(true);
-console.log('State instantiated');
-
-state.applyTurn('R');
-console.log('Applied turn R');
-
-const encoded = state.encode();
-console.log('Encoded state:', encoded);
--- a/test/verify_integrity.js
+++ b/test/verify_integrity.js
@@ -0,0 +1,41 @@
+import { DeepCube, MOVES } from "../src/utils/DeepCube.js";
+
+function runStressTest(iterations) {
+  console.log(`Starting DeepCube Stress Test (${iterations} moves)...`);
+
+  let cube = new DeepCube(); // Solved
+
+  const moveNames = Object.keys(MOVES);
+  const startTime = Date.now();
+
+  for (let i = 1; i <= iterations; i++) {
+    const randomMove = moveNames[Math.floor(Math.random() * moveNames.length)];
+    cube = cube.multiply(MOVES[randomMove]);
+
+    if (!cube.isValid()) {
+      console.error(`\n❌ INVALID STATE DETECTED AT MOVE ${i}!`);
+      console.error(`Move applied: ${randomMove}`);
+      console.error(`CP:`, cube.cp);
+      console.error(`CO:`, cube.co);
+      console.error(`EP:`, cube.ep);
+      console.error(`EO:`, cube.eo);
+      process.exit(1);
+    }
+
+    if (i % 100000 === 0) {
+      process.stdout.write(
+        `\r✅ ${i} moves verified (${((i / iterations) * 100).toFixed(0)}%)`,
+      );
+    }
+  }
+
+  const duration = Date.now() - startTime;
+  console.log(
+    `\n🎉 Success! Mathematical integrity held over ${iterations} random moves.`,
+  );
+  console.log(
+    `⏱️  Time taken: ${duration} ms (${(iterations / (duration / 1000)).toFixed(0)} moves/sec)`,
+  );
+}
+
+runStressTest(1000000);
--- a/test/verify_solvers.js
+++ b/test/verify_solvers.js
@@ -0,0 +1,75 @@
+import { DeepCube, MOVES } from "../src/utils/DeepCube.js";
+import { KociembaSolver } from "../src/utils/solvers/KociembaSolver.js";
+
+function generateScramble(length = 20) {
+  const moveNames = Object.keys(MOVES);
+  const scramble = [];
+  for (let i = 0; i < length; i++) {
+    scramble.push(moveNames[Math.floor(Math.random() * moveNames.length)]);
+  }
+  return scramble;
+}
+
+function runSolverTests(iterations) {
+  console.log(`Starting KociembaSolver tests (${iterations} scrambles)...`);
+  let successCount = 0;
+  let totalMoves = 0;
+
+  for (let i = 0; i < iterations; i++) {
+    let cube = new DeepCube();
+    const scramble = generateScramble(30);
+    scramble.forEach((m) => {
+      cube = cube.multiply(MOVES[m]);
+    });
+
+    const solver = new KociembaSolver(cube);
+
+    try {
+      const solution = solver.solve();
+
+      // Apply solution to verify
+      let testCube = cube.clone();
+      solution.forEach((m) => {
+        if (!MOVES[m]) console.error("MISSING MOVE FROM SOLVER:", m);
+        testCube = testCube.multiply(MOVES[m]);
+      });
+
+      if (testCube.isValid() && isSolvedState(testCube)) {
+        successCount++;
+        totalMoves += solution.length;
+        if (i % 10 === 0) process.stdout.write(`\r✅ ${i} solves complete.`);
+      } else {
+        console.error(`\n❌ Solver failed validation on scramble ${i}!`);
+        console.error(`Scramble: ${scramble.join(" ")}`);
+        console.error(`Solution: ${solution.join(" ")}`);
+        console.error(`CP:`, testCube.cp);
+        console.error(`CO:`, testCube.co);
+        console.error(`EP:`, testCube.ep);
+        console.error(`EO:`, testCube.eo);
+        process.exit(1);
+      }
+    } catch (e) {
+      console.error(`\n❌ Solver threw error on scramble ${i}!`);
+      console.error(`Scramble: ${scramble.join(" ")}`);
+      console.error(e);
+      process.exit(1);
+    }
+  }
+
+  console.log(
+    `\n🎉 Success! KociembaSolver solved ${successCount}/${iterations} cubes optimally.`,
+  );
+  console.log(
+    `📊 Average shortest path: ${(totalMoves / iterations).toFixed(1)} moves.`,
+  );
+}
+
+function isSolvedState(state) {
+  for (let i = 0; i < 8; i++)
+    if (state.cp[i] !== i || state.co[i] !== 0) return false;
+  for (let i = 0; i < 12; i++)
+    if (state.ep[i] !== i || state.eo[i] !== 0) return false;
+  return true;
+}
+
+runSolverTests(100);
Author	SHA1	Message	Date
Grzegorz Kucmierz	6089e6f961	0.5.0 All checks were successful Deploy to Production / deploy (push) Successful in 15s Details	2026-02-23 22:04:49 +00:00
Grzegorz Kucmierz	e5befab473	fix(solver): replace exponential IDDFS recursion with instantaneous heuristic simulation macros	2026-02-23 22:04:41 +00:00
Grzegorz Kucmierz	929761ac9e	feat: reposition solver controls to a dropdown Moved the Kociemba/Beginner solve options into a sleek dropdown menu positioned above the Scramble button on the left side of the screen. This ensures the solver controls no longer obstruct the programmatic move queue at the bottom.	2026-02-23 21:49:21 +00:00
Grzegorz Kucmierz	f6b34449df	0.4.2 All checks were successful Deploy to Production / deploy (push) Successful in 10s Details	2026-02-23 19:42:40 +00:00
Grzegorz Kucmierz	21e3465be9	fix(ui): make programmatic moveQueue reactive to immediately reflect intercepted changes like FFF towards F'	2026-02-23 19:42:19 +00:00
Grzegorz Kucmierz	ce4a183090	Disable copy/reset actions when move queue is empty	2026-02-23 17:28:33 +00:00
Grzegorz Kucmierz	bc7ae67412	Refactor SmartCube controls and move history into separate components	2026-02-23 17:25:59 +00:00
Grzegorz Kucmierz	a49ca8f98e	0.4.1 All checks were successful Deploy to Production / deploy (push) Successful in 8s Details	2026-02-23 01:14:19 +00:00
Grzegorz Kucmierz	afac47c634	chore: adjust panel background for modal	2026-02-23 01:14:10 +00:00
Grzegorz Kucmierz	31015366be	0.4.0 All checks were successful Deploy to Production / deploy (push) Successful in 9s Details	2026-02-23 01:09:36 +00:00
Grzegorz Kucmierz	880d46be1c	chore: tweak add-moves modal layout	2026-02-23 01:09:10 +00:00
Grzegorz Kucmierz	8d5521e326	0.3.1 All checks were successful Deploy to Production / deploy (push) Successful in 9s Details	2026-02-23 00:51:21 +00:00
Grzegorz Kucmierz	b5e407f738	chore: refine moves queue layout gap	2026-02-23 00:51:06 +00:00