10
7
15 10

2 9 50
10 2 29
2 4 11
2 8 30
3 8 46
4 1 7
6 4 32
10 3 74
11 2 48
4 5 32

4 3
6 1
8 3
8 4
10 1
10 4
10 8

ngcut06
type: 0
density: 0.170