In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['q', 8929, 'j', 6389, 6985, 'x', 'D', 'u', 'Z', 't', 'C', 'F', 'T', 'O', 'H', 'F', 3931, 'd', '7313', 'g', 'g', 'K', 'a', 'J', 'L', 'F', '2065', 'X', 'r', '2093', 'u', '5729', 'h', 'p', '7349', 's', '8393', '7263', 'f', '8469', 'b', 'j', 'j', '4059', '9119', 'g', '6447', 'R', 8913, 4143, 6735, 'a', 'm', 'D', 'n', 837, 'f', 'g'], ['g', 'p', 3345, 5239, 'X', 'N', 'P', 477, 9469, 9721, 'F', 'F', 7957, 4989, 'Z', 4245, '7313', 'g', 'g', 'K', 'a', 'J', 'L', 'F', '2065', 'X', 'r', '2093', 'u', '5729', 'h', 'p', '7349', 's', '8393', '7263', 'f', '8469', 'b', 'j', 'j', '4059', '9119', 'g', '6447', 'u', 8129, 9817, 9145, 'E', 1093, 's', 4581, 4249, 'P', 7229, 'H', 'J', 'O', 3545, 6283, 31, 4875, 'n', 7975, 3983, 655, 'K', 5333, 'b', 1141]