TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [7969, 7833, 9069, 'l', 'N', 7935, 7821, 'y', 'q', 'r', 'G', 'O', 'w', 'n', 'h', 'j', 'X', '9705', 'U', '7943', 'K', 'r', '4841', '2141', 'd', '2007', 'O', '5005', 'b', '7367', 'T', 'C', 't', '6865', 'Y', '1263', 'M', 'c', 'u', 5133, 'x', 117, 5841, 'd', 'z', 'A', 3299, 'O', 'W', 'E', 'Q', 8547, 'w', 5235, 9011], [2305, 'g', 'Y', 'v', 6105, 'm', 6457, 2715, 'b', 7811, 3401, 'H', 'h', 'j', 'X', '9705', 'U', '7943', 'K', 'r', '4841', '2141', 'd', '2007', 'O', '5005', 'b', '7367', 'T', 'C', 't', '6865', 'Y', '1263', 'K', 'Z']

SOLUTION: h, j, X, 9705, U, 7943, K, r, 4841, 2141, d, 2007, O, 5005, b, 7367, T, C, t, 6865, Y, 1263

PROBLEM: ['T', 5987, '3759', 'O', 'x', '4311', 'e', '6841', 'R', 'd', 'y', '2745', 'n', 5107, 'w', 'u'], [6625, 'm', 8849, 3385, 6853, '3759', 'O', 'x', '4311', 'e', '6841', 'R', 'd', 'y', '2745', 'a', 'G', 'G', 'e', 3501]

SOLUTION: 3759, O, x, 4311, e, 6841, R, d, y, 2745

PROBLEM: [891, 'D', 'O', 3569, 1679, 967, 57, 'D', 'O', 871, 3929, 'P', 'f', 4079, 'p', 2649, 'u', 2247, 8577, 'i', 'J', 'k', '8107', '3147', 'w', '8781', '603', 'z', 'q', 'R', 'V', 'h', 'g', 'b', '7799', '2347', '6587', '7155', '8787', 'T', '1267', 'z', 'p', '285', '4367', 'y', '4021', 'P', 'u', 'h', 'E', 5209, 4083, 'M', 9927, 8141, 'b', 's', 'B', 6023, 3939, 9415, 8341, 'h', 5475], ['Z', 4693, 'q', 9731, 'o', 'J', 'k', '8107', '3147', 'w', '8781', '603', 'z', 'q', 'R', 'V', 'h', 'g', 'b', '7799', '2347', '6587', '7155', '8787', 'T', '1267', 'z', 'p', '285', '4367', 'y', '4021', 'P', 'u', 'Y', 'C', 1949]

SOLUTION:
J, k, 8107, 3147, w, 8781, 603, z, q, R, V, h, g, b, 7799, 2347, 6587, 7155, 8787, T, 1267, z, p, 285, 4367, y, 4021, P, u