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

[Q]: [4339, 'i', 7857, 315, 'W', '3573', '689', 'y', '9557', 'J', 'b', '2185', 'i', 7649, 'F', 'g', 6973], ['r', 5097, 5467, 't', 'N', 'Y', 'W', '3573', '689', 'y', '9557', 'J', 'b', '2185', 'l', 837, 643, 2055, 'J', 'I']
[A]: W, 3573, 689, y, 9557, J, b, 2185


[Q]: ['C', 573, 'f', 1193, 7823, '1533', 'F', 'B', 'w', 'y', '3525', 't', '7201', 'h', 'f', 'w', 'Q', 'U', '1569', 'm', '9675', '1053', '4611', 'I', 3559, 5459, 2961, 'j', 7205, 5403, 8753, 2855, 55, 9273, 'e', 'G', 9505, 6191], [6441, 'L', 'r', 6289, 'P', 'r', 9227, 8285, 'Z', '1533', 'F', 'B', 'w', 'y', '3525', 't', '7201', 'h', 'f', 'w', 'Q', 'U', '1569', 'm', '9675', '1053', '4611', 'F', 'A', 'h', 'm', 5711, 'b', 933, 1093, 'S', 'b', 'x']
[A]: 1533, F, B, w, y, 3525, t, 7201, h, f, w, Q, U, 1569, m, 9675, 1053, 4611


[Q]: ['d', 'L', 3691, 959, 'w', 'g', 3225, 4915, 4289, 'M', 'u', 'f', 3943, 'D', 'r', '517', 'K', 'p', 'F', '7603', 'd', '2175', 'x', '29', '8945', 'W', 'n', '159', '6307', '877', 'N', 'D', 'q', 'y', 1709, 'M', 9049, 4049, 491, 'm', 3273, 'F', 'v', 467, 'b', 5983, 'X', 'u'], [8145, 'H', 'r', '517', 'K', 'p', 'F', '7603', 'd', '2175', 'x', '29', '8945', 'W', 'n', '159', '6307', '877', 'N', 'D', 'q', 'o', 6255, 6777, 6227, 5857, 8765, 'D']
[A]:
r, 517, K, p, F, 7603, d, 2175, x, 29, 8945, W, n, 159, 6307, 877, N, D, q