In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['S', 'u', 4421, 'u', '4171', '1191', 'J', '1403', 'g', 'a', 'Z', '3445', '393', '7169', '1061', '8433', '1835', '2405', '7465', '2993', 'u', 'G', 'l', 'M', 'E', 'a', 5777, 6165], [2101, 9621, 8805, 'P', 'f', 7783, 7041, 'F', 'X', 2907, 'i', 'N', 8831, 'F', 'r', 5613, 'j', 'c', 'u', '4171', '1191', 'J', '1403', 'g', 'a', 'Z', '3445', '393', '7169', '1061', '8433', '1835', '2405', '7465', '2993', 'u', 'G', 'l', 'M', 'O', 171, 8463, 6569, 4541, 'L', 2657, 3507, 8537, 'G', 7235, 'l', 'A', 7813, 7091, 6205]