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