In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5757, 'I', 'v', 1041, 5283, 'Y', 'l', 'G', 1489, 9033, 9181, 'B', '8709', '1393', 'w', 'E', 'Y', 'm', 'c', 'r', 'a', 'x', '4577', 'w', 'E', 'l', 'e', 'P', '9149', '4117', 'm', 'J', '6241', 'T', 'H', 'P', 'f', 's', 'F', 1241, 'v', 7885, 1327, 9875, 'I', 1733, 7539, 217, 6247, 7685, 249, 'j', 8077, 8393, 'r', 'b', 1499, 5363], [9175, 'N', 'x', 'k', 7703, 'O', 'a', 'F', 1607, 9447, 'n', 'K', 3973, 1745, 6203, 'D', 'B', '8709', '1393', 'w', 'E', 'Y', 'm', 'c', 'r', 'a', 'x', '4577', 'w', 'E', 'l', 'e', 'P', '9149', '4117', 'm', 'J', '6241', 'T', 'H', 'V', 'E', 5895, 'f']