TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [4817, 'A', '3155', 'W', 'm', 4061], [7701, 'P', '3155', 'W', 't', 'J']

SOLUTION: 3155, W

PROBLEM: ['x', 653, 8793, 'W', 1845, 'Y', 6363, 9757, '9605', 'U', '1913', '2991', '7131', '237', '7023', 'j', '2123', 'B', '1887', 'K', '3729', 'D', '8391', '9729', 'w', 'k', 'M', '6957', 'J', 703, 'F', 'X', 'x', 7483], ['q', 10017, 5483, 8675, 'w', 'F', 'D', '9605', 'U', '1913', '2991', '7131', '237', '7023', 'j', '2123', 'B', '1887', 'K', '3729', 'D', '8391', '9729', 'w', 'k', 'M', '6957', 'n', 7147, 7131, 'q', 'u', 'A', 1171, 'V', 'k', 'N', 6869]

SOLUTION: 9605, U, 1913, 2991, 7131, 237, 7023, j, 2123, B, 1887, K, 3729, D, 8391, 9729, w, k, M, 6957

PROBLEM: [2843, 5183, 5995, 'K', 'u', 1335, '7277', '4825', '5063', 'X', 'C', 'm', '6991', '6373', '4743', 's', '7575', '5075', 'f', 'w', '8157', 'U', 'g', 'o', 'l', 9853], [9653, 'o', 'g', 7393, 'u', '7277', '4825', '5063', 'X', 'C', 'm', '6991', '6373', '4743', 's', '7575', '5075', 'f', 'w', '8157', 'U', 'W', 4831, 8431, 'P', 'x', 2421, 6635]

SOLUTION:
7277, 4825, 5063, X, C, m, 6991, 6373, 4743, s, 7575, 5075, f, w, 8157, U