{{1, 0, 0, 0, -2/3, -2/3, 1, -5/6, 0, 0, 0, 1/3, 5/6, -11/6, 1/6, -1/6, 0, 
  -1/6, 5/6}, {0, 1, 1/3, -1/3, 0, 1/3, -1, 0, -5/6, -1/3, 1/3, 0, -1/3, 
  11/6, 0, 1/6, 1/6, 0, -5/6}}
