TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [6551, 'm', 4517, 'K', 9519, 'N', 6797, 'A', 'a', 5043, 2961, 1305, 'J', 'M', 'g', 5639, 6235, '9717', '6917', '7949', 'e', '2855', 'V', '4493', 'G', '375', 'e', '9909', 'J', 't', 'N', '4535', '9963', '8917', 'W', 'P', 'd', 9867, 6599, 'W', 'N', 4217, 'c', 5009], ['t', 9641, 7799, '9717', '6917', '7949', 'e', '2855', 'V', '4493', 'G', '375', 'e', '9909', 'J', 't', 'N', '4535', '9963', '8917', 'W', 'U', 'f', 8123, 'U', 3339, 4751]

SOLUTION: 9717, 6917, 7949, e, 2855, V, 4493, G, 375, e, 9909, J, t, N, 4535, 9963, 8917, W

PROBLEM: ['W', 'A', '5747', 'i', 'M', 'N', 8861], [1997, 'D', 5205, '5747', 'i', 'M', 'D', 3319, 1895]

SOLUTION: 5747, i, M

PROBLEM: [9525, 'z', 7471, 2275, 'j', 159, 't', '2043', 'G', 'R', '9447', 't', 'P', 'h', '7997', 'i', 5, 'D', 'd', 2839, 1197, 'w'], [2279, 'j', 4433, 7351, 'Y', 5077, 9905, '2043', 'G', 'R', '9447', 't', 'P', 'h', '7997', 'z', 4565, 'j', 7859, 7517]

SOLUTION:
2043, G, R, 9447, t, P, h, 7997