In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1569, 'K', 'b', 2185, 'l', 'Q', 'B', 7005, 'W', 'i', 'x', '8637', '6287', 't', '8917', '349', '5685', 'd', 'r', 'k', 'x', '9853', '5993', 'u', 'E', 'u', 'T', 'h', 'J', 'I', 6553, 9333, 8905, 4633, 'Y', 3663, 819, 'R', 7511], ['y', 'b', 'Y', 'W', 9869, 2039, 'W', 'i', 'x', '8637', '6287', 't', '8917', '349', '5685', 'd', 'r', 'k', 'x', '9853', '5993', 'u', 'E', 'u', 'T', 'h', 'J', 's', 2753, 8563, 1237, 'U', 'z', 4499, 8133, 'A', 'k', 4403, 'J', 6965, 'W']