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: [4817, 'A', '3155', 'W', 'm', 4061], [7701, 'P', '3155', 'W', 't', 'J']

SOLUTION: 3155, W

PROBLEM: ['T', 'i', 'M', 97, 3747, 'k', 1723, '6775', 'V', 'b', 'A', '8157', '2055', 'f', '4441', '8163', 'J', 'R', 'm', 7137, 2467, 'q', 'u', 'X'], ['q', 'R', 'V', 5459, 'S', 'A', '6775', 'V', 'b', 'A', '8157', '2055', 'f', '4441', '8163', 'J', 'j', 's', 5627, 3783]

SOLUTION:
6775, V, b, A, 8157, 2055, f, 4441, 8163, J