{{1, 0, 0, 0, 0, 0, 0, 1, -1, -1/2, 0, 0, 0, 0, 1/2, 0, -1/2, 1/2}, 
 {0, 1, 0, 0, 1/2, 0, 0, -3/2, 1/2, 0, -1/2, -1/4, 1/4, 1/4, 0, -1/2, 3/4, 
  1/4}, {0, 0, 1, 0, 0, 1/2, 0, 1/2, -3/2, 0, 0, -3/4, 1/4, 1/4, 0, -1/2, 
  -1/4, 5/4}, {0, 0, 0, 1, 0, -1/2, 0, -1/2, -1/2, 0, 0, -1/4, -1/4, -1/4, 0, 
  1/2, 1/4, 3/4}, {0, 0, 0, 0, 0, 0, 1, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, -1}}
