pres.group.2103

22x8
1 1 0 0 0 0 0 0 
2 2 0 0 0 0 0 0 
3 3 0 0 0 0 0 0 
4 4 0 0 0 0 0 0 
6 6 0 0 0 0 0 0 
2 5 2 -5 0 0 0 0 
4 -5 4 5 0 0 0 0 
1 6 1 6 0 0 0 0 
6 5 6 5 0 0 0 0 
1 4 1 4 0 0 0 0 
6 2 6 2 0 0 0 0 
6 3 6 3 0 0 0 0 
1 5 1 5 0 0 0 0 
1 2 1 2 0 0 0 0 
6 4 6 4 0 0 0 0 
2 3 2 3 0 0 0 0 
1 3 1 3 0 0 0 0 
4 2 4 2 0 0 0 0 
2 3 4 2 3 4 0 0 
5 5 5 5 5 5 0 0 
5 3 -5 -5 3 5 0 0 
3 5 3 5 3 -5 3 -5