In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
--------
Question: ['R', 'Q', 'Q', 'e', 'C', 'U', 'T', '7509', '8471', 'S', 407, 793], ['G', 'D', 'C', 'U', 'T', '7509', '8471', 'l', 'r', 7861, 6959, 1617]

Answer: C, U, T, 7509, 8471


Question: [5401, 'j', 'y', 'I', 'X', 'o', 'P', 'F', 'Z', 'N', '3703', 'V', 'b', 'I', '6417', 'c', '5287', 'K', '9693', 'r', 'Z', 'F', 2683, 8021, 'c', 8229, 1989, 'm', 'r', 'O', 393, 2007, 9669, 'g', 8273], [6117, 7069, 'N', 'b', 7691, 3999, 8865, 1449, 'J', 'H', 'n', 'S', 7143, 6141, 2137, 'I', 'X', 'o', 'P', 'F', 'Z', 'N', '3703', 'V', 'b', 'I', '6417', 'c', '5287', 'K', '9693', 'h', 4013, 9577, 3799]

Answer: I, X, o, P, F, Z, N, 3703, V, b, I, 6417, c, 5287, K, 9693


Question: ['Z', 's', 5723, 'A', 9371, 'U', '5169', '8825', 'i', '663', '4305', 'S', '5575', 'F', 'H', '3087', '4891', '6069', 'G', 'O', 'v', '3181', 'C', '8993', 'W', 'b', '3287', 'Y', 'k', 'z', 5013, 3889, 4525, 'g', 'l', 403, 'n', 5429, 433, 'G', 'Z', 7649, 'j', 2315, 333, 'i'], [3175, 'Y', 'C', 'H', 'C', 's', 'F', '5169', '8825', 'i', '663', '4305', 'S', '5575', 'F', 'H', '3087', '4891', '6069', 'G', 'O', 'v', '3181', 'C', '8993', 'W', 'b', '3287', 'g', 277, 'v', 'U', 8677, 'u', 9659, 8001]

Answer:
5169, 8825, i, 663, 4305, S, 5575, F, H, 3087, 4891, 6069, G, O, v, 3181, C, 8993, W, b, 3287