In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['w', 1591, 3603, 'B', 'i', 'r', 'z', 1147, 'J', 3285, 'n', 4323, 5249, 'C', '8183', 'F', '7907', '9875', '6639', 'u', '3807', 'O', 'p', 'R', '5869', 'u', 'K', 'G', 'L', 'I', 'n', 'S', '7055', 'k', '6869', '3753', '9219', 't', 'j', 'A', 2761, 's', 'x', 'L', 'u', 7171, 6735, 'J', 'a', 'Y', 6821, 3053, 2737, 1129, 't', 'z', 9787], [4033, 'h', 'L', 4153, 3955, 6533, 'a', 8107, 'e', 3881, '8183', 'F', '7907', '9875', '6639', 'u', '3807', 'O', 'p', 'R', '5869', 'u', 'K', 'G', 'L', 'I', 'n', 'S', '7055', 'k', '6869', '3753', '9219', 'r', 293, 'E', 'W', 'Q', 'P']