TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [6211, 8013, 7837, 3385, 'z', 7301, 'D', 'Y', 'Q', 'Y', 'W', '473', '9037', 'K', 'V', '7669', 'R', '6605', 'I', 'k', 5831], ['A', 'N', 'I', 4579, 'R', 'P', 4559, 3977, 'Y', 'W', '473', '9037', 'K', 'V', '7669', 'R', '6605', 'D', 7909, 'x']

SOLUTION: Y, W, 473, 9037, K, V, 7669, R, 6605

PROBLEM: [7615, 3985, 'o', 1073, 5157, 5347, '7031', '7637', '6703', '7735', '8445', '9373', 'f', 'x'], [1247, 'x', 5707, 3649, 'g', 'z', '7031', '7637', '6703', '7735', '8445', '9373', 'h', 6317, 'T', 'M', 5703, 'h']

SOLUTION: 7031, 7637, 6703, 7735, 8445, 9373

PROBLEM: ['E', 4645, 'e', 'n', 'B', 5463, 6913, 8781, 'V', 5431, 2093, 'p', 'O', 'f', 'G', '9281', 'N', 'U', 'g', '8099', '2933', 'g', '7147', '7487', 'P', '8595', '613', 'g', 'a', '2477', 'R', 'M', 'j', 'C', 'g', 's', '8973', '503', 'F', 8327, 'o', 'u', 'x', 8857, 3197, 'Z', 1627, 'b', 8625, 'i', 'z', 7747, 'P', 4601, 'J', 1135, 'r', 9421, 5161, 177, 'Y', 'Y', 8459, 1323], [2471, 'W', 'j', 5445, 487, 'D', 4091, 'P', 'h', 'S', 'r', 'a', 'J', 'I', 6971, 3475, 'p', 'O', 'f', 'G', '9281', 'N', 'U', 'g', '8099', '2933', 'g', '7147', '7487', 'P', '8595', '613', 'g', 'a', '2477', 'R', 'M', 'j', 'C', 'g', 's', '8973', '503', 'B', 2857, 'z', 'w', 'b', 'V', 7163, 4553, 5793, 'v', 5601, 'K', 'Z', 'b', 'a', 6081, 't', 'w', 1979]

SOLUTION:
p, O, f, G, 9281, N, U, g, 8099, 2933, g, 7147, 7487, P, 8595, 613, g, a, 2477, R, M, j, C, g, s, 8973, 503