TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [455, 5425, 2307, 'J', 327, 't', 'c', 'b', 6749, 7017, 'W', 'J', '7781', 'g', '7793', '7355', 'V', '5905', '9737', '1183', 'x', '4965', 'h', '7671', 'X', 'x', 'V', '2529', 'r', '2961', '5337', '993', '8789', '6837', 'L', 4491, 'u', 't', 'v', 'P', 'n', 8189, 'C', 'G', 6899, 'L', 9701, 'c', 3957, 7607, 1245, 'M', 'I', 2799], [2217, 'B', 'G', 8865, 'Z', 5559, 'H', 1391, 6963, 'w', 'e', 'f', 9921, 'N', 2189, 'T', 'k', 'n', 6323, 6659, 'm', '7781', 'g', '7793', '7355', 'V', '5905', '9737', '1183', 'x', '4965', 'h', '7671', 'X', 'x', 'V', '2529', 'r', '2961', '5337', '993', '8789', '6837', 'a', 2811, 'K', 'J', 1933, 'X', 'G', 'p', 'X', 'n', 'g', 975, 6475, 'h', 'S']

SOLUTION: 7781, g, 7793, 7355, V, 5905, 9737, 1183, x, 4965, h, 7671, X, x, V, 2529, r, 2961, 5337, 993, 8789, 6837

PROBLEM: [6917, 7141, '3657', '9205', 'b', 'm', 'Q', 'g', 'q', 'l'], [1429, 7173, 3447, '3657', '9205', 'b', 'm', 'Q', 'U', 'f']

SOLUTION: 3657, 9205, b, m, Q

PROBLEM: ['w', 'i', 5729, 'G', 8651, '1845', 'a', '715', 'O', '3649', 'w', '8821', '2545', '1011', 'u', '895', '4133', 'n', '3759', 'w', 'X', 'R', 'A', 5949, 8347, 9169, 'N', 9753, 4353, 9447, 5747, 4347, 'f', 8247, 'D', 'y'], ['b', 'd', 237, 'y', 9735, 'M', 'j', 'f', 9789, 'x', 4217, '1845', 'a', '715', 'O', '3649', 'w', '8821', '2545', '1011', 'u', '895', '4133', 'n', '3759', 'w', 'X', 'E', 'e', 4021, 7065, 1651, 'n']

SOLUTION:
1845, a, 715, O, 3649, w, 8821, 2545, 1011, u, 895, 4133, n, 3759, w, X