;
;
***********
5
**********
4 18 0
0 1 -1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 0 -1 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 0 0 -1 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 0 0 0 -1 0 0 0 0 0 0 0 0 0 0 0 0
*****************
2 18 0
0 0 0 0 0 0 1 -1 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 1 0 -1 0 0 0 0 0 0 0 0 0
*****************
1 18 0
0 0 0 0 0 0 0 0 0 1 -1 0 0 0 0 0 0 0
***********
2 18 0
0 0 0 0 0 0 0 0 0 0 0 1 -1 -1 1 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 1 -1 -1 1 0
***********
1 18 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1