In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
--------
Question: [6839, 'h', 6347, 'c', 'u', 793, 601, 't', 'w', 3237, 'U', '5583', 'z', 'X', 'L', '4399', 'Q', 'H', 'h', 'Q', 'D', '8725', 'u', 'a', '8719', 'f', 'E', '8309', '2711', 'E', '9927', '3625', 'G', 'E', '7087', 'T', '2201', 'm', 's', '3821', 'b', 'v', 9597, 'X', 2647, 'C', 155, 'B', 5459, 3691, 9935, 9189], ['k', 6433, 5973, 9407, 9023, 2147, 2247, 'k', 6665, 9491, 'K', 2537, 'r', 2469, 'd', 2941, 'H', 8667, 855, 'V', 'U', '5583', 'z', 'X', 'L', '4399', 'Q', 'H', 'h', 'Q', 'D', '8725', 'u', 'a', '8719', 'f', 'E', '8309', '2711', 'E', '9927', '3625', 'G', 'E', '7087', 'T', '2201', 'm', 's', '3821', 'w', 'B', 6551, 'i', 'v', 773, 'M', 'I', 'R']

Answer: U, 5583, z, X, L, 4399, Q, H, h, Q, D, 8725, u, a, 8719, f, E, 8309, 2711, E, 9927, 3625, G, E, 7087, T, 2201, m, s, 3821


Question: [7087, 4471, 'P', 'W', 'C', '6301', 'T', '6625', '9345', '4471', '4385', 'H', 'K', 'r', 'Z', 'O', 'y', 'm', 7683, 1493, 'F', 4293, 'z'], [1607, 8143, 'F', 5435, 8723, 'x', 'C', '6301', 'T', '6625', '9345', '4471', '4385', 'H', 'K', 'r', 'E', 1241]

Answer: C, 6301, T, 6625, 9345, 4471, 4385, H, K, r


Question: ['N', 'A', 'g', 'K', 'h', 'z', 'E', 'v', '8815', 'x', '5705', '7679', '4605', '6001', 'K', 'D', 'q', '4759', 'x', 59, 'v', 9945, 6227, 't', 6605, 735, 'Z'], [6791, 5009, 8493, 'u', 'P', 8315, 951, 2985, '8815', 'x', '5705', '7679', '4605', '6001', 'K', 'D', 'q', '4759', 'o', 'G', 'L', 'M', 'J', 'V', 'z', 7647, 'G', 'l']

Answer:
8815, x, 5705, 7679, 4605, 6001, K, D, q, 4759