In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8613, 9319, 'd', 'e', 'e', 1371, 811, 2983, 'Q', 'T', 9573, 2691, 'i', '3739', '3875', 'u', '1721', '4985', '6311', '6037', '7411', '6001', '6333', 'X', 'r', 'h', 'K', 'f', 'Q', 'a', 'X', 'A', 'X', '1993', 'r', 'a', 'Q', 'a', 'Q', '3379', '7123', 'L', 'U', 8335, 2671, 9555, 6867, 59, 'm', 1145, 493, 2743, 8847, 'D', 'L'], [6565, 6709, 5097, 'i', '3739', '3875', 'u', '1721', '4985', '6311', '6037', '7411', '6001', '6333', 'X', 'r', 'h', 'K', 'f', 'Q', 'a', 'X', 'A', 'X', '1993', 'r', 'a', 'Q', 'a', 'Q', '3379', '7123', 'T', 6225, 'Y', 97, 4479, 3757, 'v', 4439, 453, 'M', 'H', 'w', 'I', 381, 7325, 3877, 'e', 'O', 2757, 'Y']