#g4 f2 z0

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

6x6
3 -1 -1 0 0 0
-1 3 -1 0 0 0
-1 -1 3 0 0 0
0 0 0 0 0 0
0 0 0 0 0 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 2 1 1
0 0 0 1 2 1
0 0 0 1 1 2

2^8 * 3^2 = 2304
dim6/3;3c

