In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['h', 'p', '1555', 'v', 'S', '1725', '8173', 'i', '9941', '3471', '4305', '5699', '8433', 'x', '9431', 'r', 'J', '7435', 'z', '8099', 'J', '7525', 'b', 'P', 1455, 4815, 9619, 783, 3495, 8881, 'J', 3029, 'r', 6789, 3677, 'P', 'O', 6895, 'V', 'i', 'n', 6617], [4823, 'n', 8293, 'd', 'k', 't', 'i', 7537, 57, 'G', 1485, 9429, 't', '1555', 'v', 'S', '1725', '8173', 'i', '9941', '3471', '4305', '5699', '8433', 'x', '9431', 'r', 'J', '7435', 'z', '8099', 'J', '7525', 'R', 4289, 5429, 'C', 2975, 3741, 4905, 'x', 'T', 1923, 317, 5147, 8497, 6585, 'A', 'i', 9603, 7173]