In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4651, 7495, 2133, 'P', 'F', 'L', 'A', 'K', 1385, 'U', 'j', 'a', 'F', 'w', '5213', '2255', '3531', '9529', 'j', '8761', 'G', '9783', '8723', '415', '1357', '5481', 'B', 'A', '3489', 'D', 'F', '8979', 'A', 'a', 'B', '5945', 'T', 'i', 9521, 'j', 'J', 9899, 2607, 'j', 'r', 'c', 8109, 'X', 81, 'U', 'J', 'W', 'Z'], [225, 'M', 'b', 7109, 'm', 8331, 'q', 8067, 677, 6707, 'z', 'w', 1239, 'N', 1033, '5213', '2255', '3531', '9529', 'j', '8761', 'G', '9783', '8723', '415', '1357', '5481', 'B', 'A', '3489', 'D', 'F', '8979', 'A', 'a', 'B', '5945', 'T', 'S', 'N', 'E', 'B', 'p', 2137, 7631, 4351, 'S', 8131, 'Q', 9583, 9737]