In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['W', 1809, 6311, 'g', 1407, 'G', '7047', 'b', 'o', '6237', 'T', 'E', 'q', 'y', 'e', 'F', 'O', 'Y', '5733', '3639', 'C', 'R', 'g', 'A', 'i', 'g', 'F', '8453', '8253', '1897', 'G', '1085', 'E', 6071, 'P', 'j', 567, 'S', 'D', 3519, 4393, 'b', 7449, 'j', 'u', 9455, 4309, 6323], [3865, 4861, 'z', 7705, 'p', 'N', 'F', 'l', 6119, 5177, 'U', 't', 2161, 'B', 9201, 2821, 'l', 7083, 431, 6533, 9795, 1691, 'G', 3795, 'S', 'P', 'G', '7047', 'b', 'o', '6237', 'T', 'E', 'q', 'y', 'e', 'F', 'O', 'Y', '5733', '3639', 'C', 'R', 'g', 'A', 'i', 'g', 'F', '8453', '8253', '1897', 'G', '1085', 'F', 5989, 7729, 4175, 1195, 'w', 8979, 'D', 9633, 5543, 7881, 'F', 4097, 2851, 9165, 'c', 'W', 'c', 2221, 1767, 'V', 'c', 'F', 6385]