In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['M', 'j', 1171, 'm', 'b', 1747, 3763, 2865, 1319, 3185, 'o', 2607, 4849, 815, 6637, 'v', 'Q', 'V', '1795', 'k', '7003', 'Y', 'h', 'a', '2511', '1721', '5065', '2983', '9869', 'o', '4583', 'E', '4715', '8953', '7413', '3285', 't', 'G', 3947, 6941, 'Z', 'U', 'x', 5723, 9783, 'y'], ['i', 'R', 'G', 'c', 9109, 'Y', 'C', 8281, 'V', '1795', 'k', '7003', 'Y', 'h', 'a', '2511', '1721', '5065', '2983', '9869', 'o', '4583', 'E', '4715', '8953', '7413', '3285', 't', 'a', 3467, 'H', 695, 'I', 9585, 8649, 5367]