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

[3043, 'd', 1055, '2909', 'J', 'D', '4735', '6701', 'v', 'P', '4341', '7905', 'G', '5297', '6721', 'Y', 'f', 4599], ['Q', 'X', 2931, 'f', 3139, 'r', 3625, 4375, 'B', 8381, '2909', 'J', 'D', '4735', '6701', 'v', 'P', '4341', '7905', 'G', '5297', '6721', 'N', 8281, 'W', 'u', 5969, 'w', 'b', 1735, 'j']
2909, J, D, 4735, 6701, v, P, 4341, 7905, G, 5297, 6721

['m', 'K', 2769, 'i', 'k', 853, 'P', '9255', 'N', '8281', 'f', 'm', 'V', 'a', 3525, 7823, 2111, 'T'], ['Q', 1337, 'I', 'P', '9255', 'N', '8281', 'f', 'm', 'g', 'M', 3873]
P, 9255, N, 8281, f, m

[2471, 'X', 'n', 4401, 3145, 2061, 'Y', 6533, 'V', 'M', 8583, 'i', 'R', 2323, 'W', 7337, 5973, 'n', '7877', '4879', 'F', '8043', '3261', 'l', '1811', 'm', 'r', '2695', '2951', '9407', '4215', 'h', '839', '9373', '5483', 'L', 'h', 2513, 4295], [4543, 'm', 'b', 'q', 'w', 'n', '7877', '4879', 'F', '8043', '3261', 'l', '1811', 'm', 'r', '2695', '2951', '9407', '4215', 'h', '839', '9373', '5483', 'L', 'l', 4427, 's', 'c', 'O', 'X', 'B', 2235, 'V', 5709, 'k', 9829, 3251, 'r', 'b', 'F', 5823, 667, 1105]

n, 7877, 4879, F, 8043, 3261, l, 1811, m, r, 2695, 2951, 9407, 4215, h, 839, 9373, 5483, L