In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['N', 7373, 3365, 'b', 'h', 'M', 4885, 'O', 'p', 'b', '7073', '1007', '4327', 'I', '5109', 'S', '7785', 'H', '2039', '6563', '9651', 'W', '5775', '7997', '9287', 'W', 'V', 'N', '5207', '183', '5625', 'D', 'I', 'J', 'G', 'y', '1007', 'z', 'N', 'j', 'i', 5175, 7287, 3675, 's', 8781, 4883, 'w', 7275, 1317, 'p', 2401, 2003, 'W', 209, 'u', 'X', 'k', 6769, 't', 'w', 4089, 'Y', 487, 'V', 555, 'B', 'i'], ['p', 7381, 't', 6743, 5859, 'L', 'j', 'v', 3161, 'p', 'b', '7073', '1007', '4327', 'I', '5109', 'S', '7785', 'H', '2039', '6563', '9651', 'W', '5775', '7997', '9287', 'W', 'V', 'N', '5207', '183', '5625', 'D', 'I', 'J', 'G', 'y', '1007', 'z', 'c', 'p', 6085, 1839]