Given a binary tree, find the depth of the deepest odd level leaf node in a binary tree. If there is no leaf at odd level then return 0.
Consider that level starts with 1. Depth of a leaf node is number of nodes on the path from root to leaf (including both leaf and root).

Input Format:
The first line of input contains an integer T denoting the number of test cases. Then T test cases follow. Each test case contains an integer n denoting the number of edges. The next line contains the edges of the binary tree.

Output Format:
Print the depth of the deepest odd level leaf node in the binary tree.

Your task:
You don't need to read input/output. Complete the function depthOfOddLeafUtil

Constraints:
1<=T<=1000
1<=n<=1000
1<=data of node<=1000

Example:
Input:
2
10
1 2 L 2 4 L 1 3 R 3 5 L 3 6 R 5 7 R 7 9 L 6 8 R 8 10 R 10 11 L
4
1 2 L 2 4 L 1 3 R 3 5 L

Output:
5
3