;
*******************
3
********************
3 8 0
0 1 0 -1 0 0 0 0
0 1 0 0 0 -1 0 0
0 1 0 0 0 0 0 -1
********************
3 8 0
1 0 -1 0 0 0 0 0
1 0 0 0 -1 0 0 0
1 0 0 0 0 0 -1 0
*******************
6 8 0
0 1 0 -1 0 0 0 0
0 1 0 0 0 -1 0 0
0 1 0 0 0 0 0 -1
1 0 -1 0 0 0 0 0
1 0 0 0 -1 0 0 0
1 0 0 0 0 0 -1 0