In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3631, 'o', 'g', 7407, 'R', 'K', 9921, 9155, 859, 4461, '2649', '5301', 'H', '7451', '6327', 'h', '4627', '981', 'x', 'z', '5095', '5697', '5923', 'r', '9025', 'X', '4205', '3943', 'P', '4615', '8345', 'p', '3537', 't', '4731', '5609', 'k', 'r', 3957, 7067, 6713, 313, 8449, 1121, 'c', 9803, 'm', 9891, 8053, 'Y', 7527, 3243, 'w', 'I', 'C'], ['P', 'V', 4771, 'T', 'Z', 8907, 9421, 'h', 6165, 'V', '2649', '5301', 'H', '7451', '6327', 'h', '4627', '981', 'x', 'z', '5095', '5697', '5923', 'r', '9025', 'X', '4205', '3943', 'P', '4615', '8345', 'p', '3537', 't', '4731', '5609', 'e', 7383, 's', 'w', 2541, 'T', 9759, 'd', 6959, 6747, 5895, 525, 'Y']