In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4679, 5619, 5103, 1671, 5427, 509, 6485, 6085, 'A', 'v', 'm', '6397', '5233', 's', 'D', '671', 'R', 'A', '6401', 'X', '7263', 'H', '3587', 'y', '6445', 'H', '2059', 'd', 'h', '3167', 'l', '6751', '619', '9817', '2161', 'X', 'z', 'v', 6343, 2279, 8797, 4865, 'l', 'q', 'N', 'a', 4385, 'B', 'P', 's', 889, 'e', 'A', 2233, 7109, 2385], ['H', 8725, 2427, 'R', 2311, 'b', 'I', 7711, 8789, 1795, 'a', 2363, 'u', 'm', 4055, 'L', 103, 'k', 1659, 'u', 6243, 'G', 3723, '6397', '5233', 's', 'D', '671', 'R', 'A', '6401', 'X', '7263', 'H', '3587', 'y', '6445', 'H', '2059', 'd', 'h', '3167', 'l', '6751', '619', '9817', '2161', 'w', 'o', 5735, 3955, 'Z', 'N', 'G', 'q', 'U', 6375, 'H', 'F', 'a', 'z']