In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['D', 'L', 'Y', 'C', 4265, 5821, 7659, 1233, 'c', 2181, 'X', 6179, 'C', 'i', 9933, 7875, 5147, 1577, 1825, 8265, 1525, 9575, 'h', 'E', 'F', '4091', '7231', 'b', 'M', '2169', '9381', '6481', '2323', '5571', 'C', 'p', '2779', '2721', '4923', 'E', 'f', '1241', 'i', '8713', '3457', 'd', '7769', 'r', '7183', 'x', '5245', 'E', 'y', 'E', '757', 'A', 3329, 'y', 355, 4419, 4167, 4877, 7625, 'G', 971, 6053, 6791, 7623, 'W', 3173, 'C', 5847, 'f', 7733, 'L'], ['g', 1353, 'L', 'K', 'm', 'D', 8305, 'u', 3457, 'm', 2201, 'E', 'b', 8865, 1165, 2051, 'Q', 'I', 6457, 'o', 'x', 'y', 6999, 6367, 4807, 3421, 'A', 'e', 'o', '4091', '7231', 'b', 'M', '2169', '9381', '6481', '2323', '5571', 'C', 'p', '2779', '2721', '4923', 'E', 'f', '1241', 'i', '8713', '3457', 'd', '7769', 'r', '7183', 'x', '5245', 'E', 'y', 'E', '757', 'w', 'b', 'H', 7461, 'M', 'M']