In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['X', 7555, 'Q', 3313, 'J', 'a', 1623, 'R', 'J', 'n', 'o', 'Z', 6489, 3815, 'F', 5251, 'y', 'A', 'K', 8393, 9157, 3197, 'x', '3255', '3413', '8627', 'q', '3323', 'v', '9149', 'c', 'J', '7907', '6105', 'J', 'h', 'r', 'M', '7391', '1403', 'E', 'H', '1125', 'B', 'E', 'g', 'V', 'G', 'r', 2401, 'W', 1107, 'C', 8433, 'o'], [5433, 't', 't', 'B', 8597, 'F', 't', 'Z', 8391, 8805, 'T', 'v', 'K', 4735, 9395, 'O', 'T', '3255', '3413', '8627', 'q', '3323', 'v', '9149', 'c', 'J', '7907', '6105', 'J', 'h', 'r', 'M', '7391', '1403', 'E', 'H', '1125', 'B', 'E', 'g', 'V', 'M', 'z', 'k', 'w', 'O', 'Z', 891, 'p', 'y', 'j', 9391, 'd', 871, 261, 'f', 'q', 6279]