TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['z', 'F', 'H', 'E', 1495, 'u', 't', 'm', 'o', '1165', 'b', 75, 'B'], ['n', 'H', 'M', 'j', 3999, 'u', 't', 'm', 'o', '1165', 'r', 'x', 'W']

SOLUTION: u, t, m, o, 1165

PROBLEM: [127, 'J', 'v', 6999, 'g', 'G', 1965, 'E', 8699, 7579, 9265, 6993, 'B', 'R', 'I', '8517', 'V', 'W', '7777', 'K', '4475', '2323', 'z', '7003', 'h', 'q', 'T', '6623', 'L', 851, 9385, 8367, 'J'], [1577, 'y', 121, 6195, 'B', 'R', 'I', '8517', 'V', 'W', '7777', 'K', '4475', '2323', 'z', '7003', 'h', 'q', 'T', '6623', 'T', 'M', 'l', 'D', 'z', 9687, 1645, 'W', 1249, 5527, 297]

SOLUTION: B, R, I, 8517, V, W, 7777, K, 4475, 2323, z, 7003, h, q, T, 6623

PROBLEM: [4911, 'g', '3861', '8779', 'U', '1879', '483', 'U', 'M', 5997, 'Y', 7023], ['J', 'K', 4631, 'y', 'K', 2085, '3861', '8779', 'U', '1879', '483', 'U', 'Q', 1199, 'q', 'u']

SOLUTION:
3861, 8779, U, 1879, 483, U