In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4665, 'o', 'E', 4811, 'H', 'c', 4277, 'q', 'v', 6537, 17, 'J', 3847, 963, 9709, 'I', 'G', 'z', 'F', 'r', 'm', 5655, 'Q', '9533', 'H', 'Y', 'l', '3625', '8139', '7771', 'W', '4849', '1239', 'd', 's', 'J', 'T', '4265', '1283', '6167', '1217', 'v', 'X', '3915', 'P', '7243', 'E', 'W', 'w', 'p', 'T', 'W', 8875, 6091, 5391, 5559, 5453, 7669, 'w', 'I'], ['F', 5255, 'u', 9151, 't', 'Q', '9533', 'H', 'Y', 'l', '3625', '8139', '7771', 'W', '4849', '1239', 'd', 's', 'J', 'T', '4265', '1283', '6167', '1217', 'v', 'X', '3915', 'P', '7243', 'E', 'k', 'r', 8261, 3171, 'q', 4573, 'x', 'G', 9387, 5277, 'A', 'E', 'M', 1607, 'c', 'G', 'i', 'o', 'b', 'W']