In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['W', 7663, 'b', 8817, '9103', 'A', '6761', 'E', '287', 'O', '3655', '1941', 'd', '1107', 'a', 'C', 'O', 'F', 2777, 2711, 2877], ['T', 5395, 'J', 'G', 'V', 'a', 'P', 6667, '9103', 'A', '6761', 'E', '287', 'O', '3655', '1941', 'd', '1107', 'a', 'C', 'D', 3363]