TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['w', 5919, 'P', 6117, 7697, 'Y', 4467, '3097', '2793', 'x', 'P', 'c', 'o', '8777', 'D', '1983', '2397', 'X', 't', 'k', '8109', '2549', 'b', '7173', '3843', 'k', 'u', 'P', 1347, 'y', 'r', 'o', 5611, 'L', 999, 4781], [9955, 'n', 8107, 7059, 'V', 'E', 2417, 1811, 3625, 623, 'T', 'R', 'p', 'l', 'W', 8103, 3691, 'N', '3097', '2793', 'x', 'P', 'c', 'o', '8777', 'D', '1983', '2397', 'X', 't', 'k', '8109', '2549', 'b', '7173', '3843', 'k', 'k', 'p', 'L', 1311, 591, 'J', 5611, 'Q', 'p', 'I', 5921, 237, 'y', 1981, 3861, 'B', 'n', 'r', 'H']

SOLUTION: 3097, 2793, x, P, c, o, 8777, D, 1983, 2397, X, t, k, 8109, 2549, b, 7173, 3843, k

PROBLEM: ['i', 'n', '7509', '7241', 'V', 'k', 205, 'H'], ['s', 4349, 7023, '7509', '7241', 'V', 'O', 't', 9237]

SOLUTION: 7509, 7241, V

PROBLEM: ['N', 'k', 5273, 5213, 'M', 'f', 4539, 'T', 5605, '3687', '5323', '3869', '6033', 'o', '6973', 'R', 'L', '8715', 'F', 't', 'K', 'M', 'K', 9155, 7535, 'C', 'p', 4701], [3487, 's', 6915, 4661, '3687', '5323', '3869', '6033', 'o', '6973', 'R', 'L', '8715', 'F', 't', 'r', 'o', 'F', 'j', 't']

SOLUTION:
3687, 5323, 3869, 6033, o, 6973, R, L, 8715, F, t