Doing my part for the leetcode community:

Two Questions x 45 min

1. ZigZag Binary Tree Traversal - https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal/
2. Group Words by Letter Distances <- Made this name up, not sure what leetcode question this is.

Input: ["ABC", "ABCD", "ABCF", "HIJM", "WXYZ"]
Output: [
["ABC"],
["ABCD", "WXYZ"],
["ABCF", "HIJM"]
]