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

[EX Q]: ['K', 9673, 1909, 4297, 4479, 6817, 4899, 'C', 6959, 'V', '9807', '5503', '4787', '8401', '1975', 'c', '3357', 'O', '2117', 'V', 'W', '223', 'n', '7837', 'J', '7137', '4965', 'O', '9937', 'a', 'M', 'n', 6241, 'm'], ['x', 2703, 'G', 'g', 6139, 369, 'M', 2263, 1539, 8497, '9807', '5503', '4787', '8401', '1975', 'c', '3357', 'O', '2117', 'V', 'W', '223', 'n', '7837', 'J', '7137', '4965', 'O', '9937', 'X', 171, 2305, 2887, 'x', 'M', 557, 9003, 'H', 'V', 'B', 7409]
[EX A]: 9807, 5503, 4787, 8401, 1975, c, 3357, O, 2117, V, W, 223, n, 7837, J, 7137, 4965, O, 9937

[EX Q]: [9639, 'C', 9853, 'A', 'k', 633, 1303, 6893, 1461, 'O', 'i', 'E', 'L', 8811, 1123, 1523, 285, 'G', 6701, 'v', 'E', 2799, 9503, '6601', 'Z', 'H', '2771', '1129', 'G', '3897', '3577', '1459', '6281', '7955', '3751', '5339', 'R', '4343', '9107', 'Q', 'H', 'r', 'I', 'n', '5191', 'E', '3385', '9711', 'g', 'W', 'O', 9249, 3181, 3455], ['x', 'l', 7827, 8297, 'D', 5453, 6611, '6601', 'Z', 'H', '2771', '1129', 'G', '3897', '3577', '1459', '6281', '7955', '3751', '5339', 'R', '4343', '9107', 'Q', 'H', 'r', 'I', 'n', '5191', 'E', '3385', '9711', 'g', 'W', 'y', 4363, 8699, 'H', 'h', 4081, 'F', 'S', 8027, 'p', 'j']
[EX A]: 6601, Z, H, 2771, 1129, G, 3897, 3577, 1459, 6281, 7955, 3751, 5339, R, 4343, 9107, Q, H, r, I, n, 5191, E, 3385, 9711, g, W

[EX Q]: ['W', 6089, 'd', 'D', '9697', 'p', 'C', 'P', 'B', '1231', '5935', 'm', '3073', '6213', 'p', 'y', 'O', 'x', 4751, 'd', 'R', 6287, 2369, 5955, 'n'], ['Y', 8443, 'h', 7817, 'C', 'y', 'J', 'L', 'u', 'd', 'd', 'D', '9697', 'p', 'C', 'P', 'B', '1231', '5935', 'm', '3073', '6213', 'j', 8039, 3391, 'L', 2687]
[EX A]:
d, D, 9697, p, C, P, B, 1231, 5935, m, 3073, 6213