In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['u', 'A', 'V', 3051, 687, 8533, 3769, 7023, 'h', 7625, 'J', 8601, 'S', 'b', 'E', 4329, 'f', 'k', '9327', '403', 'd', 'z', 'D', '7723', '6973', 'a', 'g', '5949', 'x', '6051', 'X', '973', 'T', '2917', '2351', 'u', 'i', 'v', 'l', 7899, 4341, 'X', 8503, 'T', 'Y', 4447, 5081, 'G', 7017, 771], [8895, 'B', 'x', '9327', '403', 'd', 'z', 'D', '7723', '6973', 'a', 'g', '5949', 'x', '6051', 'X', '973', 'T', '2917', '2351', 'u', 'i', 'v', 'x', 'y', 'F', 'k', 'e', 'S', 4231, 'l']