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