1 0 0
x4
5 0 0
6 0 0
x2
0 2 0
18 0 0
2 0 0
16 0 0
x12
15 0 0
0 9 0
4 0 0
8 0 0
0 50 0
20 0 0
x16
0 5 0
0 25 0