TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['J', 6791, 'x', 'f', 'n', '5565', '4103', 'q', 'n', 'h', '625', '2981', '3243', 'q', '2705', '5505', 's', '4423', 'j', '9819', '3841', 'Z', 'i', 'n', 'R', 9199, 455, 'i'], [4051, 8463, 'i', 6667, 'N', 'k', 'X', 2629, 'I', 'O', 5057, 1059, 4265, 'B', 3819, 'c', 9941, 'R', 'a', 5545, 'x', 'f', 'n', '5565', '4103', 'q', 'n', 'h', '625', '2981', '3243', 'q', '2705', '5505', 's', '4423', 'j', '9819', '3841', 'Z', 'a', 9953, 6229, 'F', 2985]

SOLUTION: x, f, n, 5565, 4103, q, n, h, 625, 2981, 3243, q, 2705, 5505, s, 4423, j, 9819, 3841, Z

PROBLEM: ['N', 9837, 'S', 'f', 'z', '7671', '5131', '2773', '3435', '2525', '2621', 'k', '1113', 'u', '9269', '4517', 'B', 'a', 'R', 'T', '3077', 'h', 'q', 'z', 'w', 'z', 'i', 9307, 1877, 1633, 9823, 'u', 'u', 8629, 'M', 411, 135, 'J', 'H', 'b', 'm', 669, 'i', 6935], [685, 6231, 'z', '7671', '5131', '2773', '3435', '2525', '2621', 'k', '1113', 'u', '9269', '4517', 'B', 'a', 'R', 'T', '3077', 'h', 'q', 'z', 'w', 'n', 2383, 2123, 5545, 'j', 'q', 4387, 2801]

SOLUTION: z, 7671, 5131, 2773, 3435, 2525, 2621, k, 1113, u, 9269, 4517, B, a, R, T, 3077, h, q, z, w

PROBLEM: [5859, 'q', 'b', 7681, 2845, 'H', 6379, 4405, 8721, 't', 'D', 4585, 37, 'g', 'B', 'c', 'e', 'w', 'H', 'y', '171', 'B', '3427', '267', '3631', 'n', '6453', 'a', 4885, 'E', 4931, 1901, 1087, 3707, 2665, 8713, 'k', 'D', 'C'], [9577, 9401, 'n', 'w', 9757, 7347, 't', 5403, 3221, 335, 2865, 'g', 'B', 'c', 'e', 'w', 'H', 'y', '171', 'B', '3427', '267', '3631', 'n', '6453', 'T', 'O', 'l', 4329, 7837, 2299, 'K', 'm', 'A', 'x', 'F', 'r', 'D']

SOLUTION:
g, B, c, e, w, H, y, 171, B, 3427, 267, 3631, n, 6453