TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['Y', 6449, 'w', 5543, 4639, 1899, 'd', 3489, 'x', 'c', 2891, 'H', 9885, 't', 'N', 's', 'A', 'E', '3601', 'p', 'n', 'm', 'y', '6587', 'v', '247', 'k', '7529', 'T', '623', '8713', '7551', '3433', '7981', 'q', 'F', 'n', '3275', '3265', 'n', 'P', 'M', 'D', 'U', 6013, 5931, 2445, 'f', 7619, 'm', 6105, 'l'], [453, 583, 'Q', 5309, 2713, 'E', 5809, 'w', 'T', 9873, 4971, 8173, 1659, 2277, 'y', 8653, 1569, 'M', 't', 'N', 's', 'A', 'E', '3601', 'p', 'n', 'm', 'y', '6587', 'v', '247', 'k', '7529', 'T', '623', '8713', '7551', '3433', '7981', 'q', 'F', 'n', '3275', '3265', 'n', 'C', 'W', 'r', 'x', 'H', 3247, 'G', 'R', 7035, 6599, 'U', 't']

SOLUTION: t, N, s, A, E, 3601, p, n, m, y, 6587, v, 247, k, 7529, T, 623, 8713, 7551, 3433, 7981, q, F, n, 3275, 3265, n

PROBLEM: [6233, 489, 6117, '5201', 'J', 'A', '3023', 'W', '791', '8263', 'm', 'w', 'q', '8873', 'B', '4945', '25', 'v', '6679', '3217', 'Q', '9509', 'V', 'Q', 4171], ['G', 9467, 331, 9967, '5201', 'J', 'A', '3023', 'W', '791', '8263', 'm', 'w', 'q', '8873', 'B', '4945', '25', 'v', '6679', '3217', 'Q', '9509', 'V', 'o', 'a', 'P', 'a', 'C', 'N', 'R', 'l', 'l', 'j', 'N', 8161, 3729, 'F', 'r', 'B']

SOLUTION: 5201, J, A, 3023, W, 791, 8263, m, w, q, 8873, B, 4945, 25, v, 6679, 3217, Q, 9509, V

PROBLEM: ['r', 7149, 2175, '3399', '8691', 'P', 'D', 'Y', '5323', '6553', 'Q', 9787, 2247], ['d', 'b', 'F', 4493, 'M', 'P', '3399', '8691', 'P', 'D', 'Y', '5323', '6553', 'N', 701, 'e', 'A']

SOLUTION:
3399, 8691, P, D, Y, 5323, 6553