In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['S', 'L', 1455, 'h', 'E', 951, 'w', 7385, 'r', 5061, 'l', 9369, 's', 't', 4605, 1663, 427, 'f', 6625, 8399, 6965, 'f', 1345, 5341, 'k', '4833', 'X', '6617', 'o', '3797', 'N', '8091', '791', 'b', '5955', 'y', '9441', '1085', 'Q', 'f', 'n', 'B', '2725', 'l', '9435', '7895', '133', 'X', 'B', 'X', '1859', 't', 'w', 'B', 'U', 6063, 'e', 'y', 'B', 'R', 2687, 7117, 1879, 'N', 't', 'i', 3129, 2393, 7865, 4801, 't', 'I', 'c', 'W', 5755, 2737, 's', 'g', 'r'], ['R', 9653, 111, 'c', 'v', 'k', 763, 7043, 4865, 'M', 5147, 'I', 'Y', 'n', '4833', 'X', '6617', 'o', '3797', 'N', '8091', '791', 'b', '5955', 'y', '9441', '1085', 'Q', 'f', 'n', 'B', '2725', 'l', '9435', '7895', '133', 'X', 'B', 'X', '1859', 't', 'o', 6629, 'F', 4639, 6405, 5471, 'c', 4985, 't', 'H', 'D', 4893, 1825, 9405, 'm', 't', 'T']