1 0 0 0 0 1 0 0 0 0 1 0
0 0 1 1/4 0 -1 0 5/4 1 0 0 -1/4
-1 0 0 1/2 0 1 0 0 0 0 -1 0
0 0 -1 1/4 0 -1 0 5/4 -1 0 0 1/4