In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9115, 3833, 'u', '3245', 'R', 'q', 'S', '7719', '8897', '6789', '8205', 'M', 'S', 'r', 'R', '8789', '8865', 'c', '10023', 'g', 'v', '2403', 'Z', '2579', 'd', 'u', 'O', 'v', '883', 'x', 5171, 6363, 'p', 'k', 439, 'q', 2993, 'Q', 'd', 'Y'], ['Z', 'v', 'k', 1395, 'I', 6911, 'o', 'u', 6017, 'N', 's', 'T', 8353, 'D', 'N', 277, 2687, 1663, 7699, 'B', 7029, 'u', '3245', 'R', 'q', 'S', '7719', '8897', '6789', '8205', 'M', 'S', 'r', 'R', '8789', '8865', 'c', '10023', 'g', 'v', '2403', 'Z', '2579', 'd', 'u', 'O', 'v', '883', 'f', 7301, 'D', 3335, 'X', 8223, 'q']