In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['i', 9127, '1091', '3095', 'y', '4391', '2687', '3221', '8697', '3039', 'P', 'h', '9859', '3083', 'b', '6067', 'y', 'A', 'h'], ['c', 7963, 'l', 8967, 2003, 'N', 'L', 'k', 3105, 9377, 'w', 'S', 6141, 3115, '1091', '3095', 'y', '4391', '2687', '3221', '8697', '3039', 'P', 'h', '9859', '3083', 'b', '6067', 'y', 'r', 819, 'W', 6657, 4641, 9309, 'a', 6339, 697, 'D']