In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['j', 4833, 'r', 8953, 2783, 'C', 'h', 2525, 'i', 333, 6995, 'T', 'T', 'G', '6841', '5321', 'y', 'Y', '8901', 'w', 'X', '9007', '5515', 'O', 'u', '2071', '5641', '8805', 'K', 9659, 'y', 5347, 3211, 'L', 'u', 3971, 4003, 8057, 's', 8589, 's', 'J', 1427], ['y', 527, 'A', 'k', 3709, 'G', 'T', 'T', 'G', '6841', '5321', 'y', 'Y', '8901', 'w', 'X', '9007', '5515', 'O', 'u', '2071', '5641', '8805', 'R', 1729, 5701, 'Y', 'W', 't', 5377, 9913, 4441, 6451, 'P', 5455, 5909, 'p', 1715, 'l', 3907]