In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['b', 1451, 'n', 'r', 9409, 'j', 'I', 'I', '6267', '9023', 'q', '8849', 'Z', '6373', '8209', 'R', 'l', '9573', 'r', 'Q', 'R', 'f', 6827, 'g', 'c', 'g', 'n', 8939, 9483, 3103, 2065], [2371, 6329, 3991, 'n', 'A', 'E', 5981, 'I', '6267', '9023', 'q', '8849', 'Z', '6373', '8209', 'R', 'l', '9573', 'r', 'Q', 'H', 'E', 6127, 'L', 7013, 'l', 'T', 'N', 'I', 7527, 'Z']