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