In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9541, 9245, 7441, 'u', 4847, 'C', 'e', 's', 'J', 8925, 5327, 4627, 1179, 'I', 'a', '8299', 'A', 'k', '5973', 'N', '3309', 'R', 'k', 'Y', 'o', 'N', '2255', '7629', 'O', 'G', '3361', '4639', 'g', '301', 'l', 'n', 'r', 'r', 's', 'w', 6577], [1483, 6641, 9007, 'i', 'R', 2341, 6439, 'F', 'o', 'h', 3813, 4789, 3065, 4673, 'g', 6899, 4855, 4399, 9831, 6451, 9701, 'I', 'x', 'V', 'a', '8299', 'A', 'k', '5973', 'N', '3309', 'R', 'k', 'Y', 'o', 'N', '2255', '7629', 'O', 'G', '3361', '4639', 'g', '301', 'l', 'n', 'r', 'r', 's', 'h', 'I', 'U', 'r', 's', 'Q']