10
4
10 10

3 2 7
7 2 20
4 5 60
4 1 9
1 10 14
8 4 79
4 2 11
3 7 52
6 2 13
9 1 21

3 1
9 4
9 5
10 8

ngcut03
type: 0
density: 0.100