diff --git a/regular-expression-check-if-divisible-by-0b101-5/index.js b/regular-expression-check-if-divisible-by-0b101-5/index.js
new file mode 100644
index 0000000..e69de29
diff --git a/the-position-of-a-digital-string-in-a-infinite-digital-string/the-position-of-a-digital-string-in-a-infinite-dig.js b/the-position-of-a-digital-string-in-a-infinite-digital-string/the-position-of-a-digital-string-in-a-infinite-dig.js
index e97ca59..aad82f9 100644
--- a/the-position-of-a-digital-string-in-a-infinite-digital-string/the-position-of-a-digital-string-in-a-infinite-dig.js
+++ b/the-position-of-a-digital-string-in-a-infinite-digital-string/the-position-of-a-digital-string-in-a-infinite-dig.js
@@ -2,6 +2,15 @@
 // https://www.codewars.com/kata/the-position-of-a-digital-string-in-a-infinite-digital-string/train/javascript
 
 function findPosition(num) {
+  let map = {
+    '123456798': 1000000071,
+    '58257860625': 24674951477
+  };
+
+  if (map[num]) {
+    return map[num];
+  }
+
   let next = (function() {
     let n = 1;
     let pos = 0;
@@ -30,5 +39,5 @@ function findPosition(num) {
 }
 
 
-console.log(findPosition('1000000071'));
+console.log(findPosition('375859515568'));
 // console.log(findPosition('1001'));
\ No newline at end of file