In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7813, 777, 'f', 5795, 8213, 5203, 'Z', 'S', 6873, 6459, 'j', 'r', 'F', 2565, 'F', 'V', 5399, 743, 'd', 'W', '4025', 'R', 'L', 'u', '3063', '5561', 'e', '9063', '5769', '5721', '1149', '603', '6701', 'H', 'R', 'G', 'm', '287', 'L', '6975', '9979', '4795', 'A', 'n', 1351, 'J', 'H', 'l', 3271, 4059, 'y', 999, 4247, 'B', 'X', 9613, 6865, 675, 3971, 'Y', 'A', 'w', 'c'], ['h', 9853, 8265, 8667, 'W', '4025', 'R', 'L', 'u', '3063', '5561', 'e', '9063', '5769', '5721', '1149', '603', '6701', 'H', 'R', 'G', 'm', '287', 'L', '6975', '9979', '4795', 'A', 'j', 1205, 'X', 'u', 'N', 1355, 6389, 1053, 3603, 3061, 'u', 1725, 9455, 'e']