In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['K', 2167, 779, 3201, 2515, 'Q', 'b', 'D', 'Y', 6197, 'o', '667', 'Q', '7787', '8847', '2543', 'h', '7713', '6277', 'W', 'a', '7371', 'b', '1385', '159', 'x', '9557', '3387', 'K', '1301', '1823', '7625', '9727', 'g', 'B', 'M', '887', 'N', 'V', 1363], [9657, 9241, 7549, 8293, 't', 315, 6697, 'o', '667', 'Q', '7787', '8847', '2543', 'h', '7713', '6277', 'W', 'a', '7371', 'b', '1385', '159', 'x', '9557', '3387', 'K', '1301', '1823', '7625', '9727', 'g', 'B', 'M', '887', 'N', 'u', 7977, 'q', 9781, 's', 7841, 4141, 6681, 'W', 'A', 731, 'I', 'b', 'k', 7589, 8581, 1637, 4571, 5693, 3839, 'V', 'O', 4511, 'o', 8213, 'u', 'N', 'q']