In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1253, 9353, 'k', 'N', 6825, 955, 2113, 'Y', 'z', 'O', 3199, 'I', '9781', '8579', 'k', '5835', '6231', 'c', '5603', '2397', '6121', '5263', '1753', 'b', 't', 'O', 'H', '8569', '2405', '367', 'R', 'Q', '3125', 'a', 'U', 3539, 'V', 'T', 'T', 1921, 'w', 'r', 'o', 'Y', 2423, 'o', 1799, 4207, 8191, 'E', 's', 1201, 'J', 8811, 6603, 7155], ['c', 'V', 'w', 'Y', 's', 287, 3559, 'm', 797, 'I', '9781', '8579', 'k', '5835', '6231', 'c', '5603', '2397', '6121', '5263', '1753', 'b', 't', 'O', 'H', '8569', '2405', '367', 'R', 'Q', '3125', 'a', 'Z', 'l', 2187, 2075, 'v', 'o', 'q', 'z', 1707, 'F', 9169, 'O']