In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['r', 6381, 'U', 6535, 9185, 'm', 'C', 4515, 'Q', 'P', 6889, 5099, 'g', 'g', 4531, 4503, 'n', '779', 'g', 'z', '3067', 'T', 'A', 'j', '4273', 'V', 'j', 'B', '9123', 'w', 'A', 'G', '699', 'r', 'U', 'n', 't', '8677', 'J', '7267', 'p', 2783, 'X', 'V', 'U', 3081, 4987, 8511, 's', 'T', 't', 613, 'r', 4593, 'l', 'V', 'T', 'R', 109, 'S', 4113, 7359], ['L', 'V', 1059, 'P', 'b', 'Q', 7979, 'R', '779', 'g', 'z', '3067', 'T', 'A', 'j', '4273', 'V', 'j', 'B', '9123', 'w', 'A', 'G', '699', 'r', 'U', 'n', 't', '8677', 'J', '7267', 'L', 3625, 'j', 7235, 6939, 3403, 'P']