TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [9945, 7993, 'D', 'C', 1341, 'S', 3245, 'v', 'R', 'a', 'Y', 'm', 'j', 'S', 2325, 7293, 8483, '2185', 'X', '5509', 'v', 'Q', '1557', '2811', '3957', '431', '2403', '9633', 'H', 'd', 'h', 'u', 'P', '3647', 't', '8345', '8157', 'a', '4759', '3097', 'o', 5889, 'c', 2547, 'q', 9407, 'M', 'O'], [2017, 'P', 9637, 7239, '2185', 'X', '5509', 'v', 'Q', '1557', '2811', '3957', '431', '2403', '9633', 'H', 'd', 'h', 'u', 'P', '3647', 't', '8345', '8157', 'a', '4759', '3097', 'Y', 'O', 'U', 495, 'U', 3945, 'h', 9439, 6821, 7583, 6249, 573, 'v', 'T', 2219, 3279]

SOLUTION: 2185, X, 5509, v, Q, 1557, 2811, 3957, 431, 2403, 9633, H, d, h, u, P, 3647, t, 8345, 8157, a, 4759, 3097

PROBLEM: [4665, 'U', 1617, 4891, 3015, 'k', '9381', '4077', 'f', 'T', 'G', 'z', '9879', 'q', 'f', 'g', 'G', '8765', 'D', '1755', 'B', 'H', 'y', 6819, 9689, 4667, 6651, 'Z', 4359, 3239, 'k'], [4575, 7833, 7267, 't', 'C', 'k', '9381', '4077', 'f', 'T', 'G', 'z', '9879', 'q', 'f', 'g', 'G', '8765', 'D', '1755', 'v', 4883, 'l', 3055]

SOLUTION: k, 9381, 4077, f, T, G, z, 9879, q, f, g, G, 8765, D, 1755

PROBLEM: [3905, 'q', 873, 'B', 6475, 1915, 'Z', 'R', 'f', 'i', '4547', '4413', '2407', 'n', '2591', 'w', 'H', 's', '415', 'E', '9317', '2985', 'l', 'T', '8533', 'l', '6903', 'd', 'D', 'Z', 'R', 'P', 'h', 9355, 2329, 'R', 'y', 't', 'p', 1801, 'H', 9185, 2643, 'm', 'U', 'y'], ['D', 'Q', 'n', 6093, 'f', 'i', '4547', '4413', '2407', 'n', '2591', 'w', 'H', 's', '415', 'E', '9317', '2985', 'l', 'T', '8533', 'l', '6903', 'P', 3131, 1227, 'H', 'O', 'R', 5573, 9209, 4675, 5851, 6941, 3731, 4255, 9465]

SOLUTION:
f, i, 4547, 4413, 2407, n, 2591, w, H, s, 415, E, 9317, 2985, l, T, 8533, l, 6903