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

[7395, 6997, 'Z', 2015, 'v', '4045', 'F', 'O', 'N', 'k', '6013', 'C', 8179, 4675, 'x', 'k', 'V'], ['P', 'A', 'v', '4045', 'F', 'O', 'N', 'k', '6013', 'k', 7667, 3913, 5111, 1215, 'r', 'g']
v, 4045, F, O, N, k, 6013

[5625, 6017, 'd', 'p', '4423', '77', 'E', '5271', 'A', 1553, 'c'], ['U', 1615, 'u', 'd', 'p', '4423', '77', 'E', '5271', 'x', 'w', 'Y']
d, p, 4423, 77, E, 5271

[2321, 2913, 2557, 'S', 1571, 'r', 'g', 'W', '4649', 'B', 'S', '1019', 'j', 'g', 'x', 'T', 'k', 'F', 'p', 'W', 'L', 7711, 2017, 7247, 839], ['x', 'y', 'w', 'F', 7947, 8291, 'q', 'r', 'g', 'W', '4649', 'B', 'S', '1019', 'j', 'g', 'x', 'T', 'k', 'F', 'p', 'W', 'C', 'Z', 'f']

r, g, W, 4649, B, S, 1019, j, g, x, T, k, F, p, W