In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2809, 't', 'N', 'u', 'q', 8883, 'E', 'F', 'h', 'O', '1255', 'C', 'o', '7565', '3507', 'W', 'D', 'i', 'R', '7943', 'B', 'm', 6161, 3459, 5513, 7241, 'm', 'm', 'l'], [4019, 9055, 5153, 'F', 'Q', 237, 'O', 4279, 'p', 'N', 'O', '1255', 'C', 'o', '7565', '3507', 'W', 'D', 'i', 'R', '7943', 'w', 8005]