In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['b', 'a', 1917, 'a', 'h', 'm', 'T', 'F', 'Z', 13, 8201, 'l', 7343, 'B', 'G', 5383, 9275, 7995, 'X', '7085', '3759', 'L', 'T', '5555', 'B', '5587', '9333', 'x', 'r', 'Z', '2281', '993', 'P', '8621', 'H', '7271', '8315', 'L', '683', 'y', '5997', '601', 'm', '3431', 'C', 'h', 4739, 401, 8607, 'V', 3865, 'A', 2541, 3151, 5479, 7319, 'G', 'P', 'f', 4349], ['a', 3211, 'i', 1897, 'X', '7085', '3759', 'L', 'T', '5555', 'B', '5587', '9333', 'x', 'r', 'Z', '2281', '993', 'P', '8621', 'H', '7271', '8315', 'L', '683', 'y', '5997', '601', 'm', '3431', 'N', 'D', 'f', 'w', 7425, 'Z', 1943, 2147, 8939, 2177, 2835]