In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9491, 'Q', 8713, 's', 8635, 'K', 'W', 'U', 'r', 'Z', 7081, 8589, 'I', '4705', '1361', 'B', 'w', 'R', 'H', 'g', '6611', 'C', 'o', '7449', '9577', '739', '3949', '3291', 'S', 'R', 't', '3923', '9021', 'W', 'i', 'U', 1029, 7899, 'w'], [5459, 8295, 'V', 9299, 3165, 3269, 2811, 'F', 7771, 6629, 'X', 3415, 'W', 4201, 'I', '4705', '1361', 'B', 'w', 'R', 'H', 'g', '6611', 'C', 'o', '7449', '9577', '739', '3949', '3291', 'S', 'R', 't', '3923', '9021', 'W', 'm', 'x', 9105, 'P', 'm', 4503, 'O', 'C', 8739, 2305]