TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['C', 'd', 'U', 'O', 'X', 'Q', 75, 'n', '1745', '4477', '5381', 'S', 'G', '257', 'Q', '2891', 'e', 'U'], ['G', 'H', 7457, 'N', '1745', '4477', '5381', 'S', 'G', '257', 'Q', '2891', 'G', 'x', 'm', 865, 9285, 1495, 'l', 'J']

SOLUTION: 1745, 4477, 5381, S, G, 257, Q, 2891

PROBLEM: [8711, 'f', 8715, 7649, 4967, '5867', 'i', '6567', 'R', '6087', '2945', 'J', 'j', 9099, 6331], ['a', 'T', 'n', 4869, '5867', 'i', '6567', 'R', '6087', '2945', 'M', 3125, 'D', 3835]

SOLUTION: 5867, i, 6567, R, 6087, 2945

PROBLEM: [3391, 8549, 'G', 1657, 'I', 'n', '2085', 'J', '5715', 'V', 'f', 'l', 'W', 'M', 'N', 5913, 'e', 197, 'j', 't', 'W'], ['M', 3669, 'Y', 'g', 'o', 'd', 's', 'n', '2085', 'J', '5715', 'V', 'f', 'l', 'W', 'M', 'Q', 'J', 1725, 'G', 'w']

SOLUTION:
n, 2085, J, 5715, V, f, l, W, M