In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8075, 7819, 2973, 'b', 'O', 'n', 7323, 'y', 7155, 'D', 'K', 3919, 'I', 3103, 'K', 8189, 4249, 'Y', '121', '2861', 'T', '4181', 'W', '607', 'E', 'g', 'T', 'Y', 'j', '9747', '6311', '5211', '9289', 'E', 'l', '2603', 'c', 'n', 'X', '7957', '6645', 'Q', 'x', '9611', 'I', 'n', 'L', 'D'], ['f', 'a', 'c', 9181, 9401, 8287, 'q', 9437, 'x', 8143, 8995, 'W', 8919, 'f', 'h', 'G', 4637, 2051, 1351, 3887, 8413, 'G', 5615, 6191, 'Y', '121', '2861', 'T', '4181', 'W', '607', 'E', 'g', 'T', 'Y', 'j', '9747', '6311', '5211', '9289', 'E', 'l', '2603', 'c', 'n', 'X', '7957', '6645', 'Q', 'x', '9611', 'H', 5661, 'z', 'O', 1517, 8559, 7853, 5391, 'z', 'u', 3261, 'o', 'm', 7495, 'U', 573, 'h', 'V', 2545, 6941, 'U', 'P', 'j', 'K', 'T']