In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['s', 2343, 'd', 8701, 387, 5611, 4041, 8961, 'P', 7081, 9199, 'Z', 'b', '7613', 'a', 'f', 'o', '9567', '281', '5673', '1729', 'y', 'e', '7809', '2817', '3631', 'p', '4195', '467', '2529', 'I', 'D', 3127, 2705, 'C', 4733, 'H', 7659, 'O', 8243, 'Q', 'x', 9861, 'p'], [3293, 'n', 7889, 'n', 'J', 5889, 8393, 'L', 'I', 5761, 's', 3467, 7149, 993, 't', 9983, 3003, 6747, 'T', 'Z', 'b', '7613', 'a', 'f', 'o', '9567', '281', '5673', '1729', 'y', 'e', '7809', '2817', '3631', 'p', '4195', '467', '2529', 'L', 1717, 207, 'O', 3455, 2283, 593, 'z', 'j', 6179, 'A', 'h', 'E', 'z', 5997]