In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['J', 't', 3375, 'I', 'p', 'B', 4887, 'Z', 1827, 8057, 't', 5497, 5541, 'S', 8217, 'b', 's', 5223, '5931', 'J', 'R', 'u', 'q', 'G', '6521', 'L', 'o', 'Q', '7191', 'u', '2969', '7005', 'U', 'N', '3437', '4403', '6885', 'H', '1421', '2511', '7007', 'b', '2463', 'P', 'x', 'T', 3663, 'e', 'K', 'q', 261], ['d', 'i', 4625, 9043, 571, 7941, 7257, 55, 'C', '5931', 'J', 'R', 'u', 'q', 'G', '6521', 'L', 'o', 'Q', '7191', 'u', '2969', '7005', 'U', 'N', '3437', '4403', '6885', 'H', '1421', '2511', '7007', 'b', '2463', 'P', 'D', 8969, 5957, 'X', 'o', 'U', 'A', 'j', 5815, 'g', 9827, 3285, 2673, 1785, 'P', 'h']