{{1, 0, 0, 1, 1/3, 1/3, -1/3, 0, 0, 1, -2/3, -1/6, 1/6, -1/2, -1/2, -2/3, 
  -1/3, -1/12, 1/12, -1/3, -1/6, 1/12, -1/12, -1/2}, 
 {0, 1, -1, 0, 0, 0, 0, 1, -1, -1, 0, -1/2, 1/2, 1/2, 1/2, 0, 0, -1/4, 1/4, 
  0, 1/2, -3/4, 3/4, 1/2}}
