fly(3, [8, 8, 2, 4],
[1, 0, 1, 0],
[1, 0, 2, 3],
[1, 2, 2, 4])
fly(3, [4, 7, 0, 3, 8, 4, 5],
[0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 1, 0, 1, 2],
[5, 1, 2, 5, 5, 6, 3])
fly(7, [3, 3, 4, 1, 3, 2, 0, 1, 4, 3, 4, 0, 0, 1, 0, 4, 4, 5, 5, 0],
[1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1],
[0, 0, 1, 1, 2, 1, 2, 2, 1, 1, 0, 1, 1, 3, 2, 2, 1, 6, 4, 4],
[3, 2, 3, 3, 6, 2, 2, 4, 3, 4, 4, 5, 3, 6, 6, 5, 7, 8, 8, 9])