TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['U', 1887, '8423', 'j', '8053', 'g', '5441', 'H', 'j', 3847, 'd', 'J', 1971, 'M'], ['y', 'T', 'C', 'z', 6299, 5393, '8423', 'j', '8053', 'g', '5441', 'H', 'x', 'f', 4189, 'h', 'e', 6577]

SOLUTION: 8423, j, 8053, g, 5441, H

PROBLEM: [9417, 6541, 'V', 4095, 2535, 8271, 4253, 'r', 7251, 'F', 's', '5673', 'Q', '163', '591', 'G', 'm', 't', '7069', 'c', 'o', 't', 'q', '5595', 'D', 'Y', 'm', 3611, 'K', 7553, 'B', 'K', 'T'], ['P', 'r', 6361, 2773, 'r', 2627, 'F', 's', '5673', 'Q', '163', '591', 'G', 'm', 't', '7069', 'c', 'o', 't', 'q', '5595', 'D', 'f', 7923, 3733, 5271, 4083]

SOLUTION: F, s, 5673, Q, 163, 591, G, m, t, 7069, c, o, t, q, 5595, D

PROBLEM: [2465, 'R', 1443, 8521, 4131, 'w', 'R', 's', 'R', 4339, 'G', 7845, 'k', 'f', 9921, 'o', 'W', 'Y', 'a', 'S', 'N', 'S', 'B', 'K', 'U', 'z', '71', '5799', 'h', '2293', '1103', 's', 'c', 'P', 'G', 'N', 'A', 'F', 'K', '7221', '1507', 'q', 'q', 'p'], ['r', 513, 2395, 6659, 81, 2251, 2035, 1449, 's', 5523, 'k', 'K', 'q', 'o', 'N', 3309, 9529, 'o', 3715, 'S', 9041, 'L', 'j', 'Y', 'a', 'S', 'N', 'S', 'B', 'K', 'U', 'z', '71', '5799', 'h', '2293', '1103', 's', 'c', 'P', 'G', 'N', 'A', 'F', 'K', '7221', '1507', 'q', 'b', 'R', 'b', 'O', 'I', 'f']

SOLUTION:
Y, a, S, N, S, B, K, U, z, 71, 5799, h, 2293, 1103, s, c, P, G, N, A, F, K, 7221, 1507, q