TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [6971, 'd', 'J', 'p', 'F', 5463, 'F', 'P', 1897, 'J', 'O', 'j', 'H', 'y', '3659', '9455', 'P', '9829', 'm', 'Q', 7829, 'C', 5311], ['E', 'R', 'H', 217, 'J', 'O', 'j', 'H', 'y', '3659', '9455', 'P', '9829', 'm', 'T', 5849, 1449]

SOLUTION: J, O, j, H, y, 3659, 9455, P, 9829, m

PROBLEM: [1875, 'T', 'Y', '5527', 'F', 'y', '5669', 'm', 'k', 2655, 8089], [3997, 7707, 9937, 'M', '5527', 'F', 'y', '5669', 'm', 'a', 'e']

SOLUTION: 5527, F, y, 5669, m

PROBLEM: [1759, 'y', 'r', '1745', '6541', '6939', '2653', 'e', 's'], [6039, 2505, 'R', '1745', '6541', '6939', '2653', 'S', 'C', 'z']

SOLUTION:
1745, 6541, 6939, 2653