In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['i', 9907, 'S', 'n', 5451, 3477, 6277, 8847, 9749, 5507, 'q', '1023', 'Z', '9113', '8427', 's', '1803', '7703', '7521', '7579', '3213', '3049', 'e', 'i', 'A', '7583', 'N', 'b', 'k'], ['W', 5347, 4315, 1115, 'Q', 'O', 553, '1023', 'Z', '9113', '8427', 's', '1803', '7703', '7521', '7579', '3213', '3049', 'e', 'i', 'A', '7583', 'N', 't', 'l', 'T', 6297, 9887, 5129, 5319, 5577, 8929, 'n', 'M', 8879, 'i', 8557, 381]