In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['T', 7203, 's', 'E', 'k', 6971, 2557, 4257, 8845, 'H', 1989, 3251, 'n', 8259, 3835, 757, 'l', 7117, 1431, 'i', 's', 'T', 'o', 'Z', 'e', 'o', 'u', '7267', 'D', '485', 'g', 'z', 'x', 'H', '8151', 't', '1477', '7531', 'x', 'E', '6323', '5675', 'B', '7463', 'v', 'r', '4659', 'J', 'Z', 'c', 'G', 9557, 'g', 'E', 'I', 6073, 'a', 617, 'S', 'T', 5133, 1121], [6579, 'e', 'i', 3917, 1163, 'U', 'X', 'R', 'r', 9117, 'H', 'z', 'q', 'c', 'p', 1861, 'V', 209, 'X', 'i', 's', 'T', 'o', 'Z', 'e', 'o', 'u', '7267', 'D', '485', 'g', 'z', 'x', 'H', '8151', 't', '1477', '7531', 'x', 'E', '6323', '5675', 'B', '7463', 'v', 'r', '4659', 'J', 'Z', 'D', 'A', 'W', 'M', 'z', 8865, 4293, 5697, 'I', 'V', 1109, 'Y']