In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

[EX Q]: ['z', 3279, 'C', 'F', 9153, 'E', 417, 'P', 6405, 1849, 4819, 'V', 4497, 2031, 'L', 'g', '8015', 'D', 'b', '3659', 'P', 'm', '6013', '6583', '6705', '8449', 'a', 'X', '2087', 'Y', 'L', 'i', 5651, 'y', 'L', 2993, 2605, 6805, 'w', 5731, 'Q', 9359, 'Y', 4267, 2985], ['F', 'x', 5427, 4915, 2541, 'H', 'S', 8953, 'L', 7911, 'b', 'I', 1945, 859, 'i', 'g', '8015', 'D', 'b', '3659', 'P', 'm', '6013', '6583', '6705', '8449', 'a', 'X', '2087', 'Y', 'N', 1971, 'a']
[EX A]: g, 8015, D, b, 3659, P, m, 6013, 6583, 6705, 8449, a, X, 2087, Y

[EX Q]: ['R', 'Q', 'Q', 'e', 'C', 'U', 'T', '7509', '8471', 'S', 407, 793], ['G', 'D', 'C', 'U', 'T', '7509', '8471', 'l', 'r', 7861, 6959, 1617]
[EX A]: C, U, T, 7509, 8471

[EX Q]: [8099, 8189, 'p', '7997', 'e', 't', 'a', 'v', 4579], ['h', 3821, 4827, '7997', 'e', 't', 'a', 'E', 5071]
[EX A]:
7997, e, t, a