In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['A', 8381, 'L', 'r', 8779, 8469, 'n', 'E', 'B', 659, 8495, 9403, 'g', 'H', 7973, 4665, 'W', 'L', '5385', '5525', 'i', 't', '1385', '4881', 's', 'x', 't', 'z', 'k', 'M', 'K', '2923', '4233', '7577', 'x', 'v', 'e', 2637, 6857, 'T', 'N', 9975, 8949, 7561, 4607, 'V', 9591, 'A'], ['a', 'C', 'X', 'J', 'w', 'F', 'b', 'W', 'L', '5385', '5525', 'i', 't', '1385', '4881', 's', 'x', 't', 'z', 'k', 'M', 'K', '2923', '4233', '7577', 'x', 'D', 'I', 4361, 'L', 'f', 9415, 'W', 41, 'e', 6565, 'W', 6563, 9523, 'e']