diff --git a/Sources/LeetCode/main.swift b/Sources/LeetCode/main.swift
index 2795bcd..de5650e 100644
--- a/Sources/LeetCode/main.swift
+++ b/Sources/LeetCode/main.swift
@@ -9,18 +9,17 @@
 // print(LeetCode.singleNumber([4, 1, 2, 1, 2]))
 // print(LeetCode.containsDuplicate([1, 2, 3, 4]))
 // print(LeetCode.productExceptSelf([-1, 1, 0, -3, 3]))
-
-let tree = TreeNode(
-    4,
-    TreeNode(
-        2,
-        TreeNode(1),
-        TreeNode(3)
-    ),
-    TreeNode(
-        7,
-        TreeNode(6),
-        TreeNode(9)
-    )
-)
-print(LeetCode.invertTree(tree))
+// let tree = TreeNode(
+//     4,
+//     TreeNode(
+//         2,
+//         TreeNode(1),
+//         TreeNode(3)
+//     ),
+//     TreeNode(
+//         7,
+//         TreeNode(6),
+//         TreeNode(9)
+//     )
+// )
+// // print(LeetCode.invertTree(tree))