In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
--------
Question: ['K', 9673, 1909, 4297, 4479, 6817, 4899, 'C', 6959, 'V', '9807', '5503', '4787', '8401', '1975', 'c', '3357', 'O', '2117', 'V', 'W', '223', 'n', '7837', 'J', '7137', '4965', 'O', '9937', 'a', 'M', 'n', 6241, 'm'], ['x', 2703, 'G', 'g', 6139, 369, 'M', 2263, 1539, 8497, '9807', '5503', '4787', '8401', '1975', 'c', '3357', 'O', '2117', 'V', 'W', '223', 'n', '7837', 'J', '7137', '4965', 'O', '9937', 'X', 171, 2305, 2887, 'x', 'M', 557, 9003, 'H', 'V', 'B', 7409]

Answer: 9807, 5503, 4787, 8401, 1975, c, 3357, O, 2117, V, W, 223, n, 7837, J, 7137, 4965, O, 9937


Question: [7577, 'i', '8411', 'N', '4691', '3661', '9511', 'T', 'v', 'D', 'H', 'A', '6551', 'v', '605', '2753', '2475', 'N', 'S', 'z', '9773', 'n', 'Z', 11, 6915, 'n', 'j', 113, 6505, 6281, 2205], ['Q', 'V', 'A', '8411', 'N', '4691', '3661', '9511', 'T', 'v', 'D', 'H', 'A', '6551', 'v', '605', '2753', '2475', 'N', 'S', 'z', '9773', 'n', 'J', 'c', 5873, 1693]

Answer: 8411, N, 4691, 3661, 9511, T, v, D, H, A, 6551, v, 605, 2753, 2475, N, S, z, 9773, n


Question: ['Q', 'K', 'A', 'f', 'b', '5021', '5107', '2303', 'b', 8509, 'B', 'v'], ['T', 'T', 5749, 'X', 'b', '5021', '5107', '2303', 'Q', 'v']

Answer:
b, 5021, 5107, 2303