In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2669, 6061, 3497, 1789, 9985, 1019, 8693, 3029, 'N', '9153', 'x', '2827', '4387', '7021', 'L', '863', '2035', 'E', 'M', '3223', '1151', 'h', '5361', '6591', '8047', '9939', '7237', 'F', 3303], ['a', 7389, 'A', 'b', 'T', 'g', 'i', 3185, 'q', 7941, 'N', '9153', 'x', '2827', '4387', '7021', 'L', '863', '2035', 'E', 'M', '3223', '1151', 'h', '5361', '6591', '8047', '9939', '7237', 'W', 'n', 'I', 'b', 'S', 'w', 'B', 3647, 'K']