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

[EX Q]: ['b', 'Z', 'n', 'O', 'x', 'K', 'J', '5997', '8241', 'O', '9965', 'n', '6043', 'p', '8943', 'F', 'O', '2181', 'k', 833, 9001], [6221, 'H', 'w', 6543, 'o', 1523, 'W', 6091, 'T', 7021, 8161, 1111, 4653, 'x', 'K', 'J', '5997', '8241', 'O', '9965', 'n', '6043', 'p', '8943', 'F', 'O', '2181', 'j', 5791, 3573, 9639, 'a', 4089, 5045, 'e', 'i', 'S', 3157, 1767, 2199, 'P']
[EX A]: x, K, J, 5997, 8241, O, 9965, n, 6043, p, 8943, F, O, 2181

[EX Q]: [319, 1325, 9567, 'M', 'm', 1759, 't', 'Z', 'X', 7981, 2409, 5023, 'b', '8661', '6609', '8213', 'Y', '9541', '8065', 'M', '8267', 'V', 'K', '3217', '1111', '1411', 'u', '9705', 'V', 'U', '3171', '4195', 'Z', 't', 'p', 'I', 5289, 1221, 'k', 5727, 5411, 7127, 'F', 'J', 'o', 7587, 'm', 237, 415, 8413, 'j'], ['O', 5043, '8661', '6609', '8213', 'Y', '9541', '8065', 'M', '8267', 'V', 'K', '3217', '1111', '1411', 'u', '9705', 'V', 'U', '3171', '4195', 'Z', 't', 'p', 'v', 5793]
[EX A]: 8661, 6609, 8213, Y, 9541, 8065, M, 8267, V, K, 3217, 1111, 1411, u, 9705, V, U, 3171, 4195, Z, t, p

[EX Q]: ['A', 'r', 6357, 6277, 'r', 'y', '6359', 'T', 'e', '9031', 'a', '8673', 'v', 'f', 1995, 'r'], [6643, 'Q', 3469, 'r', 'y', '6359', 'T', 'e', '9031', 'a', '8673', 'z', 'p', 'v', 6353, 8177, 9965, 2951]
[EX A]:
r, y, 6359, T, e, 9031, a, 8673