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