{{1, 0, 0, -1, 1/2, 0, 0, 0, -1, 0, 1/2, -1/2, 0, 3/20, 1/20, -1/10, 3/20, 
  -1/10, -1/10, 7/20, -1}, {0, 1, 0, 1/2, -1/2, 0, -1/2, -1/2, 1, 1/2, -2, 0, 
  -1/2, -1/10, 1/20, 3/20, 2/5, 3/20, 3/20, 1/10, 3/2}, 
 {0, 0, 1, -3, 1, 0, 1, 1, -4, -1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, -5}, 
 {0, 0, 0, 0, 0, 1, 0, -1, 0, 1, -3, 0, 0, -1/10, 3/10, -1/10, -1/10, -1/10, 
  2/5, 1/10, 2}}
