In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['d', 6899, 6511, 8675, 4253, 1909, 'o', 'A', 6369, 4659, 'W', 'x', 'z', 4169, 'I', '5129', '7217', '283', '9923', '10011', '9759', '7869', 'o', '3503', 't', '169', '6587', '7257', 'G', '7081', '9865', 'Q', 'c', '9379', 'b', 'e', 'Z', '7189', 'U', 'W', 6669, 'y'], ['z', 4579, 4101, 5979, 4863, 'A', 8087, 4631, '5129', '7217', '283', '9923', '10011', '9759', '7869', 'o', '3503', 't', '169', '6587', '7257', 'G', '7081', '9865', 'Q', 'c', '9379', 'b', 'e', 'Z', '7189', 'U', 'o', 'J', 9591, 'g', 8127, 's', 2051]