In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9169, 2077, 'q', 'g', 'c', 4047, 6843, 9305, 'f', 'A', 'I', 1655, 'T', 'P', 'x', 2243, 'n', 'q', 3789, 8603, 7891, 'T', 'm', '3613', 'Y', 'f', 'p', 'T', '4631', 'E', 'I', 'n', 'G', 'U', '2995', '9061', '4011', 'R', '7539', '1665', '6979', '1597', 'q', 'k', 5291, 'g', 'A', 3177], [8611, 10013, 'i', 1413, 6551, 'T', 'm', '3613', 'Y', 'f', 'p', 'T', '4631', 'E', 'I', 'n', 'G', 'U', '2995', '9061', '4011', 'R', '7539', '1665', '6979', '1597', 'q', 'j', 'b', 4787, 'k', 8491, 'd', 939, 'Q', 'a', 'c', 7197, 'U', 'U', 5433, 'O', 'i']