In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1201, 'F', 1509, 'q', 7133, 8121, 'p', 'l', 'P', 'I', '8879', 'h', 'A', 'G', 'P', 'l', 'B', '3473', '3205', 'G', 'U', 'J', '5787', 't', 'v', 'e', 'F', '8821', '6485', 'U', 5891, 'a', 2357, 'H', 4787, 871, 'V', 'i', 2179, 467, 201, 4835, 2343, 'h', 'w', 9423, 'q'], [8325, 'W', 8609, 2465, 'A', 'C', 3469, 'C', 'p', 8655, 3535, 9699, 'W', 523, 6137, 1449, 'f', 6521, 'X', 'j', 2531, 'P', 'I', '8879', 'h', 'A', 'G', 'P', 'l', 'B', '3473', '3205', 'G', 'U', 'J', '5787', 't', 'v', 'e', 'F', '8821', '6485', 'C', 9821, 8391, 7473]