From 4d4f668451f4caf985a47bb67815a2c09c206e10 Mon Sep 17 00:00:00 2001
From: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Date: Fri, 26 Jun 2020 05:10:30 +0000
Subject: [PATCH] updating DIRECTORY.md

---
 DIRECTORY.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/DIRECTORY.md b/DIRECTORY.md
index 38092ef70..c9fe8dccc 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -1,4 +1,7 @@
 
+## back-tracking
+  * [Sudoku](https://github.com/TheAlgorithms/Javascript/blob/master/back-tracking/Sudoku.js)
+
 ## Ciphers
   * [CaesarsCipher](https://github.com/TheAlgorithms/Javascript/blob/master/Ciphers/CaesarsCipher.js)
   * [KeyFinder](https://github.com/TheAlgorithms/Javascript/blob/master/Ciphers/KeyFinder.js)