{{1, 0, 0, 0, 0, -2, -2, -1/2, -1, -1/2}, {0, 1, 0, 0, 0, -1, -1, 0, -1, 0}, 
 {0, 0, 1, 0, 0, 0, -1, 0, 0, 0}, {0, 0, 0, 1, 0, 0, 0, 1/4, 0, -1/4}, 
 {0, 0, 0, 0, 1, 1, 1, 3/4, 0, 1/4}}
