In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[553, 'T', 9309, 6885, 8701, 6573, 'i', 'A', 8597, 'v', 'n', 6321, 'r', '7483', '9589', '6203', '7671', '2365', '1023', '7197', '2531', 'N', 'W', 't', 'Z', 'r', '909', 'Y', 'I', 'd', 'd', '5095', '9373', '6317', '133', 'h', '6869', '7283', '7189', 'R', 'w', 2959, 'v', 'z', 'p', 4627, 'E', 'r', 'N', 'r', 675, 'Q', 'B', 'p'], [8437, 'S', 'J', 4985, 'e', 1851, 'W', 6799, 9451, 'r', '7483', '9589', '6203', '7671', '2365', '1023', '7197', '2531', 'N', 'W', 't', 'Z', 'r', '909', 'Y', 'I', 'd', 'd', '5095', '9373', '6317', '133', 'h', '6869', '7283', '7189', 'f', 681, 'T', 'L', 2915]