TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
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: ['r', 'y', 1455, 'v', 631, 'q', '5453', '9015', '1127', 'R', 'B', '5487', 'M', '7325', 'L', 'D', '2897', 'z', '7191', '3383', 'E', 't', 't', '963', '2363', '3641', '9827', '6879', '3917', 'm', 'Y', 'w', 'T', 'v', 'v', '3263', 'f', 1003, 'E', 't'], ['r', 5091, 'e', 'i', 'L', 'x', 'D', 'q', 'z', 'M', 707, 'N', 'f', '5453', '9015', '1127', 'R', 'B', '5487', 'M', '7325', 'L', 'D', '2897', 'z', '7191', '3383', 'E', 't', 't', '963', '2363', '3641', '9827', '6879', '3917', 'm', 'Y', 'w', 'T', 'v', 'v', '3263', 'F', 4349, 3915, 6951, 7337, 7671, 3435, 9177, 'G', 'h', 'Q', 'j', 'v', 'q']

SOLUTION: 5453, 9015, 1127, R, B, 5487, M, 7325, L, D, 2897, z, 7191, 3383, E, t, t, 963, 2363, 3641, 9827, 6879, 3917, m, Y, w, T, v, v, 3263

PROBLEM: ['K', 'q', 'Q', 'b', 961, 'x', 9713, 'f', 'a', 'I', 'M', '519', '6565', '2981', '9639', 'Y', '2453', '1645', 'p', 'U', '5539', '351', '6001', 'a', 'q', 'o', 'L', 'R', 'X', 9229, 729, 5573, 5607, 7157, 'Y', 2273, 5681], ['q', 'f', 9311, 'i', 'a', 'I', 'M', '519', '6565', '2981', '9639', 'Y', '2453', '1645', 'p', 'U', '5539', '351', '6001', 'a', 'S', 'l', 'W', 8195, 'b', 'x', 3553, 7033, 9409, 'v']

SOLUTION:
a, I, M, 519, 6565, 2981, 9639, Y, 2453, 1645, p, U, 5539, 351, 6001, a