In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['s', 's', 'r', 'h', 3057, 'Y', '5261', 'S', 'k', 'h', 'a', 'r', 'u', 'i', 'w', '579', '5179', '9513', '219', 'T', '9339', 'E', 'N', '1557', 'g', '5289', 't', '1143', '4227', '217', 'B', '2933', '365', '2197', 'y', 9323, 'T', 'O', 4129, 'e', 3255, 2357, 2823, 'V', 'o'], ['z', 'F', 3441, 5005, 9861, 'K', 'I', 2945, 3283, 8287, 'y', 'B', 'g', '5261', 'S', 'k', 'h', 'a', 'r', 'u', 'i', 'w', '579', '5179', '9513', '219', 'T', '9339', 'E', 'N', '1557', 'g', '5289', 't', '1143', '4227', '217', 'B', '2933', '365', '2197', 'x', 6291, 'n', 'q', 7145, 7537, 9295, 'Z', 'k', 2383, 2783, 4573, 'N', 1259, 2763, 'j', 5677, 87, 3235, 't', 9921, 'p', 'M', 'M', 6261, 3037, 1021, 5129]