In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1287, 'X', 3945, 6103, 1055, 'H', 7375, '4283', '7527', 'd', 'q', 'q', 's', 't', '1733', 'd', '4441', '713', '3043', '1581', '3035', 'M', '4049', '2337', 't', '4845', '2989', '10023', '4625', '1535', 'O', '7505', 'X', 'v', 'N', 'w', 7541, 8485, 'C', 'e', 9501], ['m', 'c', 5783, 'F', 'G', 1491, 'k', 1815, 5337, 8009, 4703, 6051, 'B', 8665, 7395, 4589, 'W', 4403, 6329, 'J', 'b', '4283', '7527', 'd', 'q', 'q', 's', 't', '1733', 'd', '4441', '713', '3043', '1581', '3035', 'M', '4049', '2337', 't', '4845', '2989', '10023', '4625', '1535', 'O', '7505', 'X', 'Y', 'D', 'D', 639, 3999, 525, 1737, 2143, 9909]