TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [4717, 'J', 'B', 'f', 'a', 9035, '3041', '491', '3395', '3117', '4793', '4305', 'c', 'F', 5099], ['Q', 3557, 'y', 2689, '3041', '491', '3395', '3117', '4793', '4305', 'c', 'k', 8835, 'C', 8979]

SOLUTION: 3041, 491, 3395, 3117, 4793, 4305, c

PROBLEM: ['Q', 'N', 'm', 'L', 2015, 'W', 'D', 'd', 'c', 'Q', 'I', 'N', 'W', 'j', 'A', 6921, 'X', 'H', 'N', 'l', 'U', 'p', '4397', 'X', '1559', '167', 'i', '8689', '9273', 'J', 'r', 'a', 'K', '5511', 'R', 'z', 'T', 'f', 'V', 'E', 'V', 6753, 'z', 2281, 'Y', 7397, 115, 3973, 8083, 6475, 'L', 'z', 5969, 3581, 'm', 3171, 3211], ['R', 5629, 'k', 3959, 'R', 'O', 'U', 'V', 'N', 'o', 3345, 'P', 4317, 'M', 'g', 8331, 'v', 'T', 'R', 'Y', 'X', 'H', 'N', 'l', 'U', 'p', '4397', 'X', '1559', '167', 'i', '8689', '9273', 'J', 'r', 'a', 'K', '5511', 'R', 'z', 'T', 'f', 'r', 'u', 9505, 3363, 4823, 'w', 'i', 'B', 'Q', 'Y', 'H', 'R', 2991, 's', 'U', 5579, 'C', 'F', 'E', 'j', 'P']

SOLUTION: X, H, N, l, U, p, 4397, X, 1559, 167, i, 8689, 9273, J, r, a, K, 5511, R, z, T, f

PROBLEM: [9077, 'd', 543, 'Z', 'Z', 'a', 3003, 'R', 'j', 'h', 'y', 'q', '1585', '2009', 'u', '1227', 'x', 'W', '6213', '525', '8707', '3003', 'f', '4379', 'g', 'S', '3565', '3785', 'J', 'i', 'I', 'U', 's', 'k', 'O', 7515, 4949, 'Z', 'v', 4271], [1507, 'b', 's', 'm', 5063, 'A', 'k', 8227, 2809, 3949, 'q', 967, 2911, 'T', 4061, 5811, 1377, 'y', 'q', '1585', '2009', 'u', '1227', 'x', 'W', '6213', '525', '8707', '3003', 'f', '4379', 'g', 'S', '3565', '3785', 'J', 'i', 'e', 'C', 'e', 'y', 3147, 'N']

SOLUTION:
y, q, 1585, 2009, u, 1227, x, W, 6213, 525, 8707, 3003, f, 4379, g, S, 3565, 3785, J, i