In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8483, 'o', 'i', 2391, 'h', 2833, 8507, 'S', 613, 3979, 'x', 149, 6307, 'w', 'u', '3235', '7697', 'v', 'I', 'u', '7365', '1621', '6935', 'j', '3893', 's', '8277', '3227', 'J', '7247', '4549', '1235', 'm', 'n', 2737, 'e', 3643, 9055, 'M', 6569, 'f', 1535, 1211, 'W', 'G'], [3911, 1285, 9399, 3119, 843, 'f', 'Q', 'z', 's', 5933, '3235', '7697', 'v', 'I', 'u', '7365', '1621', '6935', 'j', '3893', 's', '8277', '3227', 'J', '7247', '4549', '1235', 'm', 'd', 'O', 'f', 7209, 'c', 4757, 2311, 'L', 'C', 'O', 'Y', 'a', 7025, 4137]