TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [5179, 's', 7203, 4301, 3441, 'k', 'P', 't', 'r', 3027, 's', 3809, 'u', 'S', 'h', 5087, 'z', 'a', 'b', '3333', '6041', '2765', 'q', '9485', '7697', 'E', '509', 'Q', '1573', '4879', '1197', '4515', 'k', 'c', 'z', 'V', 'l', 521, 9401, 3845, 6245, 3437, 'w', 'u'], ['u', 4399, 'R', 'v', 'x', 1061, 7505, 'r', 8411, 'o', 9285, 477, 3823, 'O', 'B', 2731, 5879, 'a', 'b', '3333', '6041', '2765', 'q', '9485', '7697', 'E', '509', 'Q', '1573', '4879', '1197', '4515', 'k', 'c', 'G', 9613, 8995, 3881, 'i', 'G', 't', 2473, 1297, 7481, 'v', 'a', 7607, 1147, 3263, 'p']

SOLUTION: a, b, 3333, 6041, 2765, q, 9485, 7697, E, 509, Q, 1573, 4879, 1197, 4515, k, c

PROBLEM: ['Y', 'T', 'S', 'w', 't', 2753, 2583, 'B', 1731, 'k', 5301, 'R', 'g', 5503, 1467, 'N', 'l', 'A', 'V', 2559, 'B', 5477, 9431, '6259', '7331', '9781', '945', 'S', '9147', '4263', '1371', 'c', '2595', 'W', 'N', 'T', 'l', 'X', 'T', 'e', '8731', 'A', 'V', '6643', 'k', 'S', 'r', 857, 'P', 2433, 'F'], [1509, 3085, 'H', 2635, 5929, 'h', 8211, 'D', 6973, '6259', '7331', '9781', '945', 'S', '9147', '4263', '1371', 'c', '2595', 'W', 'N', 'T', 'l', 'X', 'T', 'e', '8731', 'A', 'V', '6643', 'k', 'S', 'R', 'c', 'R', 'e', 3481, 'Y', 7899, 'l', 4879]

SOLUTION: 6259, 7331, 9781, 945, S, 9147, 4263, 1371, c, 2595, W, N, T, l, X, T, e, 8731, A, V, 6643, k, S

PROBLEM: [8297, 351, 't', 'J', 'M', 'R', 4063], ['B', 'r', 6319, 't', 'J', 'M', 'V', 8091]

SOLUTION:
t, J, M