In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9011, 4503, 'H', 'C', 'B', 3531, 3689, 'R', 'u', 'k', 'p', 2205, 'u', 'O', 9371, 7117, 6009, 'u', 'r', 9463, 2653, '1577', '2363', '5053', 'D', 'X', 's', '5919', '899', 'R', 'K', '5085', '1897', 'z', '803', 'W', 'h', '141', '4119', '425', '151', '3965', 'f', 'h', '1507', 'p', 'y', '2401', 'j', 3453, 'R', 1009, 643, 7179, 'b', 359, 'r', 'f', 5267, 's'], ['j', 'X', 1635, 2003, 345, 'z', 'b', 'F', 8835, 'k', 6567, 8345, '1577', '2363', '5053', 'D', 'X', 's', '5919', '899', 'R', 'K', '5085', '1897', 'z', '803', 'W', 'h', '141', '4119', '425', '151', '3965', 'f', 'h', '1507', 'p', 'y', '2401', 'c', 7143, 4901, 8927, 507, 9755, 'c', 'U', 6107, 'T']