18 9
10 -1 -1 -1 -1 -1 -1 -1 -1 
5 -1 0 0 0 0 0 0 0 
5 0 -1 0 0 0 0 0 0 
5 0 0 -1 0 0 0 0 0 
4 0 0 0 -1 0 0 0 0 
4 0 0 0 0 -1 0 0 0 
4 0 0 0 0 0 -1 0 0 
5 0 0 0 0 0 0 -1 0 
4 0 0 0 0 0 0 0 -1 
-6 1 1 1 1 1 1 1 1 
0 1 0 0 0 0 0 0 0 
0 0 1 0 0 0 0 0 0 
0 0 0 1 0 0 0 0 0 
0 0 0 0 1 0 0 0 0 
0 0 0 0 0 1 0 0 0 
0 0 0 0 0 0 1 0 0 
0 0 0 0 0 0 0 1 0 
0 0 0 0 0 0 0 0 1 

