TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [3099, 6093, 4271, 6819, 5389, 'u', 'X', 'e', 7511, 'W', 1089, 7755, 2839, 4489, 9439, 'e', '9795', '8439', 'k', '4309', '4815', '7907', '1999', '8777', 'K', 'z', '6819', '199', '311', 'P', 'c', '7135', 'n', '7681', 'X', 'y', 'e', '6085', 'Z', 'N', 6013, 9677, 759, 8765, 'r', 6787, 'G', 4705, 7571, 'Q', 'k', 4121, 'C', 'H', 'H', 4407, 'b', 'O', 'e'], [4829, 7255, 7697, 'C', 'y', 4555, 'X', 6141, 'b', 'X', 7179, 'W', 1425, 17, 8659, 'H', 'm', 355, 'b', 'u', 'Q', 'C', 'e', '9795', '8439', 'k', '4309', '4815', '7907', '1999', '8777', 'K', 'z', '6819', '199', '311', 'P', 'c', '7135', 'n', '7681', 'X', 'y', 'e', '6085', 'Z', 'J', 9911, 4879, 3849, 'J', 7507, 'n']

SOLUTION: e, 9795, 8439, k, 4309, 4815, 7907, 1999, 8777, K, z, 6819, 199, 311, P, c, 7135, n, 7681, X, y, e, 6085, Z

PROBLEM: [9995, 237, 'f', 'q', '4659', 'C', '1809', 'g', '8581', '3805', '8549', 'H', '8421', 'J', '889', '1383', 'a', 'u', 'u', 'i', 6289, 6979, 8697, 9881, 1747, 4169, 99, 'V', 261, 'n', 2261, 9455], [5613, 'B', 'z', 3941, 571, 9137, 'G', 'a', 3419, 2805, 1425, 'x', 'f', 'q', '4659', 'C', '1809', 'g', '8581', '3805', '8549', 'H', '8421', 'J', '889', '1383', 'a', 'u', 'u', 'n', 3707, 5783]

SOLUTION: f, q, 4659, C, 1809, g, 8581, 3805, 8549, H, 8421, J, 889, 1383, a, u, u

PROBLEM: [1701, 'W', 't', 'N', 'B', 5001, 'x', 'F', 'c', '9055', '2453', '1163', '2053', 'G', '9195', 'T', 'Q', '4961', '1947', 'J', 5137, 2471, 667, 1909], [4503, 'm', 7931, 'G', 6609, 'r', 4931, 'x', 'F', 'c', '9055', '2453', '1163', '2053', 'G', '9195', 'T', 'Q', '4961', '1947', 'm', 5981, 'V']

SOLUTION:
x, F, c, 9055, 2453, 1163, 2053, G, 9195, T, Q, 4961, 1947