In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3477, 'e', 'd', 6907, 5089, 'T', 9833, 'H', 9799, 'U', 'Q', 'f', 6067, 'o', 4349, 281, 1369, 1669, 7843, '4543', '7427', 'I', 'c', '1845', '3999', '495', '9295', 'L', '2635', '6417', 'G', '3449', '1691', '3741', 'H', 'A', 'V', 'E', 'C', 'M', '1953', 'F', '8663', 'D', 'e', 'R', 'X', 533, 'b', 7195, 629, 'Q', 'e', 8777, 'O', 'u', 4179, 'X', 'd', 'w', 'm', 'T', 3929, 'G', 4315, 'L', 'Q'], ['W', 'K', 7011, '4543', '7427', 'I', 'c', '1845', '3999', '495', '9295', 'L', '2635', '6417', 'G', '3449', '1691', '3741', 'H', 'A', 'V', 'E', 'C', 'M', '1953', 'F', '8663', 'D', 'e', 'R', 'k', 's', 'r', 'Y', 1135, 'X', 3081, 'N', 'c', 5661]