TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
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: ['w', 'Z', 8573, 'o', 'D', 'J', 5037, 2641, 'O', 'T', '9477', 'u', 'n', 'x', '693', 'o', 'l', '9113', '3117', '3743', '1889', 'G', 'P', 6189, 7671, 5677], ['P', 1411, 'O', 'T', '9477', 'u', 'n', 'x', '693', 'o', 'l', '9113', '3117', '3743', '1889', 'P', 'K', 'l', 'U', 2505, 3803, 9459, 'H', 1427, 1453, 'g']

SOLUTION: O, T, 9477, u, n, x, 693, o, l, 9113, 3117, 3743, 1889

PROBLEM: [825, 8147, 'f', 'N', 5075, 3425, 'D', 1107, 2951, 'W', 'c', '1185', 'L', '1873', '6239', '8907', 'F', '1143', '497', '8297', 'W', '4605', '9285', 'Q', 'R', '8453', 'F', 'L', 'd', 1963, 'e', 'u', 'X', 'P'], ['c', 5957, 'x', 717, 'W', 'c', '1185', 'L', '1873', '6239', '8907', 'F', '1143', '497', '8297', 'W', '4605', '9285', 'Q', 'R', '8453', 'p', 2557, 6093, 'J', 'j', 8541, 8895, 'L', 'V', 1515, 'S', 9441, 6785, 'I']

SOLUTION:
W, c, 1185, L, 1873, 6239, 8907, F, 1143, 497, 8297, W, 4605, 9285, Q, R, 8453