In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4011, 8777, 'h', 5073, 129, 'i', 'Z', '6841', '7489', 'a', '7199', 'N', 'N', 'b', 'q', 3129, 8685], ['g', 7323, 'n', 7533, 'b', 'Z', '6841', '7489', 'a', '7199', 'N', 'N', 'y', 'g']