{{1, 0, 0, 1/3, -1/6, 0, -1/6, 1/3, 0, 1/6, 1/3, -5/3, 1/6, -1/6, -1/3, 2/3, 
  -1/6}, {0, 1, 0, -1/3, -1/3, 0, -1/3, -1/3, 0, 1/3, -1/3, -1/3, 1/3, -1/3, 
  1/3, 1/3, -1/3}, {0, 0, 1, -1/3, -1/3, 1, -1/3, -4/3, -1, 4/3, -4/3, -1/3, 
  1/3, -4/3, 4/3, 1/3, -1/3}}
