Create the binary tree
root = Node ( 2 ) NEW_LINE root . left = Node ( 1 ) NEW_LINE root . right = Node ( 4 ) NEW_LINE root . left . left = Node ( 10 ) NEW_LINE root . left . right = Node ( 8 ) NEW_LINE root . right . left = Node ( 5 ) NEW_LINE root . right . right = Node ( 10 ) NEW_LINE print ( findMaxXor ( root ) ) NEW_LINE