In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['g', 6683, 8267, 'S', 7847, 't', 4851, 281, 8479, 1735, 't', 2079, 8029, 6885, 't', 'O', 'y', 'K', 3709, 'C', 'Y', 'N', '985', '1061', 'P', '4235', 'w', '3307', '4853', 's', 'G', '9101', '1165', '4115', '7619', '2157', '4617', '8497', '1965', '9503', 'X', 'E', '3887', 'A', 9683, 1413, 'E', 'C', 7523, 197, 'v', 'n', 'g', 6167, 1985, 4657, 'f', 7823], ['H', 4625, 3917, 'Y', 5301, 8035, 6609, 'e', 5919, 'm', 'R', 4087, 'N', '985', '1061', 'P', '4235', 'w', '3307', '4853', 's', 'G', '9101', '1165', '4115', '7619', '2157', '4617', '8497', '1965', '9503', 'X', 'E', '3887', 'Z', 'C', 'l', 6575, 'P', 'W', 6177]