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

[Q]: [2481, 7755, 2663, 2449, 4291, 'b', 5343, 'F', 'A', '3811', 'G', 'I', '415', '6825', '2449', 'q', 'W', 'x', 't', 'K', 'l', 539, 3959], ['W', 'N', 'K', 4351, '3811', 'G', 'I', '415', '6825', '2449', 'q', 'W', 'x', 'c', 9833]
[A]: 3811, G, I, 415, 6825, 2449, q, W, x


[Q]: [3659, 'D', 'P', 'K', '7241', 'V', 'p', 'i', '6013', 'X', 'C', '8145', 'Y', '2517', 'z', 'y', 6631, 2281, 6607], [3101, 7057, 'N', 7065, 'X', 'r', 'n', 2803, 'G', 'v', '7241', 'V', 'p', 'i', '6013', 'X', 'C', '8145', 'Y', '2517', 'z', 's', 5293, 'F', 1371, 4459, 6983, 'R', 'X']
[A]: 7241, V, p, i, 6013, X, C, 8145, Y, 2517, z


[Q]: [5431, 'E', 1245, 'C', 3099, 'o', 667, 9525, 3811, 9825, 4593, 'k', 'r', 'R', 'j', '1985', 'N', 'G', 'P', '257', '7869', 'q', 'Y', '491', 'r', 'e', '1639', '9689', 'A', 'N', 'n', 'b', '839', 'C', '8443', 'z', 'k', 'N', 'v', 'S', 'd', 'g', 'D', 'c', 1305, 2319, 383, 1727, 'g', 'i', 's', 9501, 1663, 8157, 'A', 4453], ['G', 6767, 5717, 2705, 1373, 8727, 'j', '1985', 'N', 'G', 'P', '257', '7869', 'q', 'Y', '491', 'r', 'e', '1639', '9689', 'A', 'N', 'n', 'b', '839', 'C', '8443', 'z', 'w', 7243, 8301, 'b', 5101, 4225, 'J', 'F', 9699, 8001, 'g', 'g']
[A]:
j, 1985, N, G, P, 257, 7869, q, Y, 491, r, e, 1639, 9689, A, N, n, b, 839, C, 8443, z