1 0 0 0 0 1 0 0 0 0 1 0
1 0 0 0 0 0 -1 1 0 -1 0 1
1 0 0 0 0 -1 0 3/2 0 0 -1 1/2
1 0 0 0 0 0 1 1/2 0 1 0 -1/2