#3

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

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

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


