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