In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3129, 657, 'z', 8705, 'v', 5349, 9401, 9047, 't', 'Q', 't', 'T', 493, '9601', '167', '169', '4037', 'a', '4733', 'U', 't', '6595', 's', 'N', '5045', 'K', 'j', 'o', 'H', '9291', 'E', 'M', '4089', '8773', '7391', '1095', '1783', 'J', 'K', 'A', 'k', 8659, 1707, 2035, 'o', 4657, 5873, 'D', 7253, 'n', 'g'], [6627, 5351, 3163, 'H', 'r', 7427, 'q', 5221, 'Q', 9649, 'm', 2875, 't', 9039, 'H', 'C', 'e', 'K', 6207, 'k', '9601', '167', '169', '4037', 'a', '4733', 'U', 't', '6595', 's', 'N', '5045', 'K', 'j', 'o', 'H', '9291', 'E', 'M', '4089', '8773', '7391', '1095', '1783', 'a', 7279, 'V', 2905, 'l', 'L', 2881, 921, 'X', 7031, 'f', 'Z', 'G', 887, 1275, 4797, 771, 9171, 7555, 'Y']