TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [1249, 4091, 'E', 483, 'O', 8427, '5009', 'X', 'Q', '107', 'F', '6119', '4479', 'u', 'o', 'U', '4405', '1737', 'K', 'j', 'B', 'U', 2857, 's'], ['J', 'B', 8825, 9581, '5009', 'X', 'Q', '107', 'F', '6119', '4479', 'u', 'o', 'U', '4405', '1737', 'K', 'j', 'B', 'E', 'e', 'R', 'X', 1739, 'D', 1385, 'e', 6969]

SOLUTION: 5009, X, Q, 107, F, 6119, 4479, u, o, U, 4405, 1737, K, j, B

PROBLEM: [5555, 'e', 'k', '4653', 'S', 'q', 'o', 'z'], [8655, 3981, 'k', '4653', 'S', 'q', 'k', 8991, 8619, 's']

SOLUTION: k, 4653, S, q

PROBLEM: ['v', 'o', 'G', 'u', 'v', 'a', 'z', 'X', 'l', '4935', '9809', '1069', '9507', 'Q', '5241', 'v', '1287', 'A', '3951', 'e', 'b', 9581, 6287, 5091], [9791, 9289, 9923, 'X', 'C', 5, 'g', 'l', '4935', '9809', '1069', '9507', 'Q', '5241', 'v', '1287', 'A', '3951', 'e', 'o', 9437, 1753, 6475, 'C']

SOLUTION:
l, 4935, 9809, 1069, 9507, Q, 5241, v, 1287, A, 3951, e