1 0 0 0 0 1 0 0 0 0 1 0
-1 0 0 5/4 0 1 0 0 0 0 -1 1/4
0 0 -1 3/4 0 1 0 0 -1 0 0 3/4
0 0 1 1/2 0 1 0 0 1 0 0 -1/2