In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['r', 'Z', 'E', 'v', '9441', 'J', 'T', '7951', '3177', '697', '3435', '523', 'o', 't', 'e', '1273', '8941', '2161', '2941', 'b', '3707', '3237', 's', 7197, 3657, 2883, 2175, 5907, 2965, 5981, 'Y', 4975, 'o', 1717], ['k', 'k', 's', 2827, 'H', 5129, 8771, 1941, 'A', 'F', 4197, 'm', 'x', 6801, 'W', 'r', 5337, 3757, 'v', '9441', 'J', 'T', '7951', '3177', '697', '3435', '523', 'o', 't', 'e', '1273', '8941', '2161', '2941', 'b', '3707', '3237', 'v', 5691, 'y', 'x', 'P', 'X', 'G', 'X', 6861, 9659, 7335, 'J', 'i', 1493, 'o', 5903, 853, 9747, 'G']