TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [2585, 'R', 'a', 9005, 829, 1751, 'I', 'G', '6211', '5597', '9283', '3429', 'T', 'K', '4887', '4679', '5705', 'u', 'p', 'c', '6329', '6259', 't', 'p', 'I', 'E', 'S', '3507', 'Q', 'K', 1021, 635, 'L', 'r', 'D', 6997, 4363, 'm', 2661, 7933, 'v'], [2855, 'Q', 7207, 'F', 9581, 9807, 3127, 6695, 4363, 'V', 'd', 2791, 't', 4507, 1047, 5959, 2697, 6393, 1751, 5521, 'S', 'G', '6211', '5597', '9283', '3429', 'T', 'K', '4887', '4679', '5705', 'u', 'p', 'c', '6329', '6259', 't', 'p', 'I', 'E', 'S', '3507', 'C', 437, 'c', 63, 469, 'R', 'I', 10007, 'B', 'S', 4919, 'V', 7431, 9317, 9909, 421, 'J', 't', 'O', 'r', 3653]

SOLUTION: G, 6211, 5597, 9283, 3429, T, K, 4887, 4679, 5705, u, p, c, 6329, 6259, t, p, I, E, S, 3507

PROBLEM: ['g', 9605, '2057', '3119', 'R', 'X', 'p', '4501', 'h', '347', '7435', 'J', '4601', '4601', 'E', '8787', 'I', 'i', 3357, 'i', 6367, 't', 2131, 'J', 'W', 501, 679, 'o', 8079, 'O', 'u'], [761, 8395, '2057', '3119', 'R', 'X', 'p', '4501', 'h', '347', '7435', 'J', '4601', '4601', 'E', '8787', 'I', 'K', 'n', 9433]

SOLUTION: 2057, 3119, R, X, p, 4501, h, 347, 7435, J, 4601, 4601, E, 8787, I

PROBLEM: ['E', 7619, 'x', 'f', 'f', 'Y'], ['l', 907, 'x', 'f', 'X', 2447]

SOLUTION:
x, f