In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

['r', 7309, 'a', 5957, 2551, 'c', '4533', 'L', '9417', 'm', '7989', '4409', 'a', 'M', 'h', 4163, 'n'], ['q', 4457, 'D', 2623, 't', 'F', 'c', '4533', 'L', '9417', 'm', '7989', '4409', 'u', 2719, 'G']
c, 4533, L, 9417, m, 7989, 4409

[9273, 'C', 'u', 6963, 'W', 7827, 3953, 'p', 6281, 7421, 'j', 'Y', 'P', 253, 5393, 'k', 9437, 'f', 6067, 'l', 6167, 'j', 'o', 'y', 'R', '5165', 'K', '6947', '2583', '3721', 'u', 'b', 'e', 'G', 'B', '3777', '623', '8995', '7339', 'b', '8633', '6783', 'l', 'q', '9637', '2791', '6545', 'W', 'G', 'a', 'v', 'h', 3895, 'C', 719, 1945, 'S'], ['G', 4797, 'z', 9055, 'c', 't', 7175, 1231, 'I', 'X', 1415, 'n', 7801, 'K', 7581, 'X', 3735, 'a', 'R', '5165', 'K', '6947', '2583', '3721', 'u', 'b', 'e', 'G', 'B', '3777', '623', '8995', '7339', 'b', '8633', '6783', 'l', 'q', '9637', '2791', '6545', 'W', 'G', 'a', 'C', 'E', 'p', 'e', 'O', 'O', 9127, 'c', 6151, 5929, 'v', 'Z', 6375, 'F', 6255, 6803, 'Y', 'Z', 6865, 5889, 1719, 305, 5127, 'g', 'x', 8743]
R, 5165, K, 6947, 2583, 3721, u, b, e, G, B, 3777, 623, 8995, 7339, b, 8633, 6783, l, q, 9637, 2791, 6545, W, G, a

['X', 'H', 'N', 'a', 1447, '769', 'U', 'H', 'A', 'q', 'k', 'k', '8103', '821', '765', 'K', 'f', '343', 'U', 'i', 'Y', 'm', 1433, 'K', 'j', 3803, 1471], ['h', 'G', 'K', 'x', 5511, 'x', 'x', '769', 'U', 'H', 'A', 'q', 'k', 'k', '8103', '821', '765', 'K', 'f', '343', 'U', 'o', 'G', 'y', 3731, 'K', 'b', 'U', 'o', 'q', 'A', 'R', 'R', 4353, 151]

769, U, H, A, q, k, k, 8103, 821, 765, K, f, 343, U