In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['S', 's', 'O', 'A', 't', 'W', 5901, 'g', '289', '1083', 'C', 'I', '1687', '963', 'f', '9293', '6227', '6273', '8955', '3071', 'c', '5027', '2087', 'g', '10005', '9061', '1437', '4501', '7421', '3469', 'J', '9611', 't', 'w', '671', '2993', '8881', 'f', 'u', 2031, 3549, 'i', 9047, 4321, 'P', 4319, 'y', 5573, 'a', 8821, 6331, 'q', 4785, 2169], ['i', 'F', 'Q', 'U', 'W', 'T', 'V', 6297, 'T', 8997, 1335, 'A', 'i', 1807, 1187, 2357, 7953, 7985, 2753, 2349, 7777, 'p', 6607, 's', 2375, 'z', 'm', 'W', 'g', '289', '1083', 'C', 'I', '1687', '963', 'f', '9293', '6227', '6273', '8955', '3071', 'c', '5027', '2087', 'g', '10005', '9061', '1437', '4501', '7421', '3469', 'J', '9611', 't', 'w', '671', '2993', '8881', 'A', 6193, 6029, 'K', 'p', 't', 6585, 'v', 9173, 4961, 635, 913, 2701, 425, 'P', 'o', 'W', 5429, 6145, 4745]