TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [6211, 8013, 7837, 3385, 'z', 7301, 'D', 'Y', 'Q', 'Y', 'W', '473', '9037', 'K', 'V', '7669', 'R', '6605', 'I', 'k', 5831], ['A', 'N', 'I', 4579, 'R', 'P', 4559, 3977, 'Y', 'W', '473', '9037', 'K', 'V', '7669', 'R', '6605', 'D', 7909, 'x']

SOLUTION: Y, W, 473, 9037, K, V, 7669, R, 6605

PROBLEM: ['Q', 4345, 'U', 6921, 'y', 57, 8287, 8385, 'O', '3359', 'S', '7355', '2263', 'd', 'd', 'i', 't', 'E', 'X', 'V', 2801], [3259, 'S', 'e', 'n', 'c', 'B', 'O', 217, 'O', '3359', 'S', '7355', '2263', 'd', 'd', 'i', 't', 'E', 'j', 'I', 5767, 'X', 8283, 8895, 'd', 8329]

SOLUTION: O, 3359, S, 7355, 2263, d, d, i, t, E

PROBLEM: [21, 291, 'G', 'e', 'j', 'd', 'e', 'C', 3763, '5081', '6307', '5643', '3397', 'n', 'W', '4419', 'x', 'L', '5739', 'J', 'B', 'e', '8547', 'P', 'A', 'T', '4849', 'u', 'Z', '3125', 'R', 1559, 'p', 'G'], ['D', 'N', '5081', '6307', '5643', '3397', 'n', 'W', '4419', 'x', 'L', '5739', 'J', 'B', 'e', '8547', 'P', 'A', 'T', '4849', 'u', 'Z', '3125', 'z', 5999, 'k', 8871, 'w', 9687, 'q', 173]

SOLUTION:
5081, 6307, 5643, 3397, n, W, 4419, x, L, 5739, J, B, e, 8547, P, A, T, 4849, u, Z, 3125