TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['X', 1863, 6105, 'n', 8419, 6469, 'u', 'p', '1641', '1413', '6389', '7069', '1333', 'q', '9609', 'D', '843', '2667', '223', '6689', 'B', 9885], ['l', 'L', 'S', 'p', 'j', '1641', '1413', '6389', '7069', '1333', 'q', '9609', 'D', '843', '2667', '223', '6689', 'F', 5539, 'C', 1383, 'n', 9991]

SOLUTION: 1641, 1413, 6389, 7069, 1333, q, 9609, D, 843, 2667, 223, 6689

PROBLEM: [2165, 'A', 'L', '6045', '1245', 'Y', 't', 'M', 'y', '1889', 'H', 'C', '8175', 'c', 4715, 'w', 3191, 'Q', 2951, 3303], [1387, 2063, 'm', 'k', '6045', '1245', 'Y', 't', 'M', 'y', '1889', 'H', 'C', '8175', 'o', 9521, 1539, 'e', 6687, 6805]

SOLUTION: 6045, 1245, Y, t, M, y, 1889, H, C, 8175

PROBLEM: ['Q', 'R', 2733, 2813, 3401, 'Y', 5449, 6851, 'e', 'u', 4897, '3391', 'I', 'k', '4803', 'a', '7953', 'S', 'S', '3079', '5181', 'J', 'L', 7985, 'R', 2123, 8335, 'D', 'q', 'z', 'q', 'i'], [3779, 3235, 4831, 6593, '3391', 'I', 'k', '4803', 'a', '7953', 'S', 'S', '3079', '5181', 'J', 'T', 'O', 'Q', 893, 'A', 7459]

SOLUTION:
3391, I, k, 4803, a, 7953, S, S, 3079, 5181, J