TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [6559, 2255, 'n', '9599', '4415', 'B', 3911, 4867], ['A', 6419, 'n', '9599', '4415', 'T', 'n', 3281]

SOLUTION: n, 9599, 4415

PROBLEM: [7409, 'l', 'h', '6739', '5187', 'K', 'D', '7539', '5609', 'x', 'p', 'S', 'j', 'j', '3077', '6081', 'd', '61', '2871', 's', 'J', 'M', 'Q', 'R', 5567, 'p', 'L'], [2329, 5573, 'N', 't', 3213, 9107, 9337, 79, 1607, 'J', 'y', 'g', 's', 'h', 4251, 'L', 3147, '6739', '5187', 'K', 'D', '7539', '5609', 'x', 'p', 'S', 'j', 'j', '3077', '6081', 'd', '61', '2871', 's', 'x', 'Q']

SOLUTION: 6739, 5187, K, D, 7539, 5609, x, p, S, j, j, 3077, 6081, d, 61, 2871, s

PROBLEM: ['V', 'H', '4199', 'D', 'W', 'g'], [2759, 5577, '4199', 'D', 'K', 'X']

SOLUTION:
4199, D