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