In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['d', 8553, 'w', '4159', '4115', '4389', 'w', 'Q', '9667', '7233', 'u', '7359', '7029', 'E', 'L', 'R', 'J', 'o', '2459', 'S', '7143', 'x', 'P', '8273', 'l', 'G', 'E', '9001', '9797', 'q', 'B', 'y', 'a', 4635, 5625, 'X', 'J', 'M', 7661, 9645, 3421, 'j', 'F', 'W', 'o', 7651, 6519, 't', 6787, 9041, 9063, 'V', 6615], ['z', 5683, 9895, 3687, 'i', 179, 'J', 1503, 'C', 'B', 'j', 'p', '4159', '4115', '4389', 'w', 'Q', '9667', '7233', 'u', '7359', '7029', 'E', 'L', 'R', 'J', 'o', '2459', 'S', '7143', 'x', 'P', '8273', 'l', 'G', 'E', '9001', '9797', 'q', 'B', 'y', 'K', 999, 'S', 145, 1201, 3151, 3237, 'r', 'M', 'L', 'k', 321, 2521, 7005, 'V', 'h', 6949, 'i']