In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6495, 'o', 'u', 'K', 'L', 1519, 'q', 'd', 'N', 'f', '7443', 'h', 'k', '9579', 'X', 'Z', '643', '7227', 'i', '2543', '7831', 'C', '1057', 'W', 't', '9133', '9551', 'n', 5489, 4567, 4403, 1129, 'V', 'w', 'X', 'H', 'j', 7885, 'T', 7349, 'j', 'S', 641, 'M', 9001], ['f', 'x', 'd', 'N', 'f', '7443', 'h', 'k', '9579', 'X', 'Z', '643', '7227', 'i', '2543', '7831', 'C', '1057', 'W', 't', '9133', '9551', 'P', 'U', 7951, 4177, 'Z', 879, 6845, 2769, 'u', 5869, 7345, 'w', 6153]