In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['D', 'U', 'i', 1171, 177, 1071, 2763, 3541, 2173, 'j', 'e', '1135', 'x', 'y', '3853', 'j', '6175', '2399', '3223', 'E', 8865, 'G', 7313, 'j'], [9677, 8279, 'S', 'j', 'r', 'h', 'w', 6713, 'N', 'N', 'j', 'e', '1135', 'x', 'y', '3853', 'j', '6175', '2399', '3223', 'g', 'Y', 2555, 'P', 2303]