#g3 f2 

6x6
-1 0 0 0 0 0
2 1 0 0 0 0
-2 -1 0 1 -1 0
1 1 1 0 1 0
1 1 0 -1 0 0
0 0 0 0 0 1

6x6
0 0 1 1 1 0
1 0 -1 -1 -1 0
0 1 1 1 1 0
0 0 0 0 -1 0
0 0 0 -1 0 0
0 0 0 0 0 1

6x6
1 0 0 0 0 0
0 1 0 0 0 0
0 0 1 0 0 0
0 0 0 1 0 0
0 0 0 0 1 0
0 0 0 0 0 -1

6x6
2 1 0 0 0 0
1 2 1 0 0 0
0 1 2 1 1 0
0 0 1 2 0 0
0 0 1 0 2 0
0 0 0 0 0 0

6x6
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 1

2^9 * 3 * 5 = 7680
dim6/5-1;1b

