{{1, 0, -1/3, 0, -2, 0, 1, 0, -1/6, -1/6, 1/6, 0, 0, 0, -1/6, 1/6, 1/12, 
  -1/12, 0, 0, 0, 7/6, 1/12, 0, 0, -2/3, -1/12, 0, 0}, 
 {0, 1, 0, -1/3, 0, -2, 0, 1, 0, 0, 0, -1/6, 1/6, -1/6, 0, 0, 0, 1/12, -1/12, 
  1/12, -1/12, 0, 0, -1/12, 13/12, 0, 0, 1/12, -7/12}}
