In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2031, 'c', 'j', 'I', 'z', '1487', 't', '3873', 'q', '2753', 'z', '6215', '8151', '763', 'D', '9475', 'P', 'I', '3819', 'p', '3617', 'j', '5079', 'M', 'K', 'U', 6407, 9347, 9371, 6557, 2921, 9375, 553, 'y', 3943, 657, 825, 'G', 3077, 6469, 'P', 'r', 'v'], ['C', 'b', 211, 'X', 4073, 'j', 'I', 'z', '1487', 't', '3873', 'q', '2753', 'z', '6215', '8151', '763', 'D', '9475', 'P', 'I', '3819', 'p', '3617', 'j', '5079', 'M', 'K', 'q', 'C', 'V', 3461, 4939, 9991, 9033]