In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4067, 5831, 7437, 'd', 'A', 'O', '2801', '8273', '9101', 'T', '6497', '8761', 'a', 'p', '8891', 'U', '5803', '8021', '8709', 'v', '7455', '4791', 'W', 'W', 'g', 'b', 'w', 'e', 'H', 7145, 'l', 4723, 'f', 4675, 'B', 'l', 2581, 2365, 'A', 951, 'E', 8721, 'm', 'G', 's', 3265], ['T', 'M', 8689, 'z', '2801', '8273', '9101', 'T', '6497', '8761', 'a', 'p', '8891', 'U', '5803', '8021', '8709', 'v', '7455', '4791', 'W', 'W', 'g', 'b', 'w', 'e', 'x', 2165, 8551, 1901, 'a', 9129, 'M', 'C', 'd', 1527, 'M', 2081]