In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['I', 'g', 'E', 727, 'R', 'i', 'n', 'f', 1995, 'C', 5923, 9901, 4681, 'N', 'k', 'z', 1697, 'a', '8011', '5873', '9453', '5765', 'Q', '8791', '1379', '8365', '2501', '7159', '5881', '4701', '6599', 'l', 'm', '9631', 'O', '2587', '657', '8917', 'X', 'c', '3947', '921', '675', 'd', 6557, 1901, 'K', 'L', 5579, 4271, 7037, 7923, 299, 8253, 1629, 9823, 229, 'G', 3697, 'Q', 2541], [1481, 9859, 'P', 5703, 'I', 1101, 285, 5829, 2515, 'X', 'o', 4823, 'a', '8011', '5873', '9453', '5765', 'Q', '8791', '1379', '8365', '2501', '7159', '5881', '4701', '6599', 'l', 'm', '9631', 'O', '2587', '657', '8917', 'X', 'c', '3947', '921', '675', 'y', 'n', 2461, 1759, 8489, 'A', 'j', 'S', 8085, 4151, 8327]