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

['s', 'M', 'y', 'b', 'S', 'P', 'J', '8781', '7865', '1961', '6767', 'a', 'r', 'H', 'j', 'a', 'b', 'i', 'A', 2579, 8191, 'g', 3591, 4195, 'q', 1357], ['F', 'U', 'G', 7763, 1385, 'm', 1089, 4701, 1565, 'm', 9713, 'P', 'J', '8781', '7865', '1961', '6767', 'a', 'r', 'H', 'j', 'a', 'X', 'b', 'f', 7385, 'G']
P, J, 8781, 7865, 1961, 6767, a, r, H, j, a

[875, 'U', 'g', 'q', 'H', 2847, 'f', '6811', 'B', '7549', 'K', 'r', 'V', 'x', 'P', 'X', '2469', '3845', 'W', 'e', 'n', 5885, 'w', 3345, 4693, 'H', 7789, 'y', 'j', 'e'], ['V', 'j', 6713, 2923, 'y', 6205, 'm', 5961, 9023, '6811', 'B', '7549', 'K', 'r', 'V', 'x', 'P', 'X', '2469', '3845', 'W', 'y', 7427, 5987]
6811, B, 7549, K, r, V, x, P, X, 2469, 3845, W

[8243, 'v', 3145, 'N', 'i', 'X', 7401, 'j', 7623, 'D', 8979, '3539', '8289', '6275', 'F', 'X', 'J', 'Q', 'l', '311', 'x', 'f', '4703', '1669', '871', 'E', 'n', 'n', 2071, 2273, 'd', 45, 'm', 7061, 'D', 'S', 8061, 7507, 'Z', 8559], ['p', 6889, 'J', 'v', 1859, 1015, '3539', '8289', '6275', 'F', 'X', 'J', 'Q', 'l', '311', 'x', 'f', '4703', '1669', '871', 'E', 'n', 'I', 2331, 'y', 2663, 2683]

3539, 8289, 6275, F, X, J, Q, l, 311, x, f, 4703, 1669, 871, E, n