In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['A', 'y', 233, 7487, 8003, 6259, 'j', 'b', 4537, 2157, 'g', 'n', 9991, 'A', 4161, 'Y', 1919, 159, 1617, '6553', '5005', '6617', '8495', 'n', 'G', 'W', 'Q', 'V', 'i', 'Q', '7489', '6785', 'y', '8319', '6817', 'S', '8439', '4423', '9867', '7489', 'r', '2259', '8121', 's', 'B', 'C', 887, 4379, 'X', 9701, 8885, 5825, 'a', 5169, 'y', 'W', 'D', 'X', 'I', 'y', 'Q'], ['P', 851, 6179, 963, 7117, 6281, 'r', 'i', 7113, 'n', 'm', 'w', 'B', 4219, 'a', 8867, 8387, 'I', 8749, 'b', 4561, 8159, 'G', 'w', '6553', '5005', '6617', '8495', 'n', 'G', 'W', 'Q', 'V', 'i', 'Q', '7489', '6785', 'y', '8319', '6817', 'S', '8439', '4423', '9867', '7489', 'r', '2259', '8121', 'r', 'd', 3565, 'K']