In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7911, 5725, 5663, 'i', 'p', 4307, 'V', 'B', 'F', 'V', 1733, 7317, 2989, 'e', 3933, 3663, 'G', 7215, 'W', 531, 'r', 837, 5069, 'e', 5795, 'o', 'i', 9745, '1243', '1869', 'Y', '8273', '4111', '8839', '9887', 'f', '5951', '2717', 'R', 'C', '2507', 'e', 'q', 'F', 'n', '3439', 'W', '9021', 'z', 'X', 'v', '4901', '4519', '9231', 'u', '4939', 's', 7643, 3503, 'k', 'v'], ['L', 9775, 6069, 'e', 4685, 7945, 'a', 'W', 669, 'j', 'c', 'r', 'D', 4907, 'N', 2875, 9297, 'M', 'v', 'E', 'R', 'z', 'o', 6423, 'i', 8001, '1243', '1869', 'Y', '8273', '4111', '8839', '9887', 'f', '5951', '2717', 'R', 'C', '2507', 'e', 'q', 'F', 'n', '3439', 'W', '9021', 'z', 'X', 'v', '4901', '4519', '9231', 'u', '4939', 'g', 'Z', 9911, 8063, 'Z', 'Z', 3483, 7055]