TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [7155, 'R', 5819, 'a', 'C', 4603, 1003, 'W', 'N', 'Z', 'q', 'A', 'w', 'r', 'N', '6611', 'r', '8975', 'b', 'T', 'c', 2763, 'W', 'n', 7521, 4855, 9907, 'o', 'C', 1185, 'g'], [9921, 55, 5361, 'k', 'N', 'Z', 'q', 'A', 'w', 'r', 'N', '6611', 'r', '8975', 'b', 'T', 'h', 8665, 'O', 633]

SOLUTION: N, Z, q, A, w, r, N, 6611, r, 8975, b, T

PROBLEM: [8235, 6785, 'P', 'N', 'y', '5503', '6065', '2039', 'Q', 'o', 'F', 7791, 'R', 'm', 3633], ['s', 863, 'z', 'y', '5503', '6065', '2039', 'Q', 'o', 'o', 6907, 5837, 's', 2553]

SOLUTION: y, 5503, 6065, 2039, Q, o

PROBLEM: [6363, 5485, 'w', 7345, 'F', 'B', '2677', 'E', '6743', 'w', 'F', 'x', '5479', 'o', 't', '6819', 'x', 9771, 5821, 437], [8693, 'm', 7689, '2677', 'E', '6743', 'w', 'F', 'x', '5479', 'o', 't', '6819', 'H', 5679, 9597, 5539, 'a', 6529]

SOLUTION:
2677, E, 6743, w, F, x, 5479, o, t, 6819