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

SOLUTION: C, U, T, 7509, 8471

PROBLEM: [3469, 'O', 'M', 6609, 9577, 'j', 2707, 9267, 'a', 'Z', 'Q', 3461, 'u', 'V', '5791', '1939', 't', 'B', 'Z', 'r', 'v', '4499', '4929', 'S', '3917', 'G', '5357', '9449', '8413', '8381', 'A', '2315', '2553', '5749', 'G', 'V', 'K', '4899', '8425', '937', '1877', '4943', 'e', 5997, 'e', 'q', 'x', 3285, 1197, 'z', 9411], [9093, 'U', 's', 6889, 1183, 1171, 5713, 'A', 8885, 6275, 'I', 'j', '5791', '1939', 't', 'B', 'Z', 'r', 'v', '4499', '4929', 'S', '3917', 'G', '5357', '9449', '8413', '8381', 'A', '2315', '2553', '5749', 'G', 'V', 'K', '4899', '8425', '937', '1877', '4943', 'H', 'M', 'K']

SOLUTION: 5791, 1939, t, B, Z, r, v, 4499, 4929, S, 3917, G, 5357, 9449, 8413, 8381, A, 2315, 2553, 5749, G, V, K, 4899, 8425, 937, 1877, 4943

PROBLEM: [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]

SOLUTION:
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