   1  -0.250000000000000000000000000000  -0.250000000000000000000000000000
   2   0.250000000000000000000000000000  -0.250000000000000000000000000000
   3  -0.250000000000000000000000000000   0.250000000000000000000000000000
   4   0.250000000000000000000000000000   0.250000000000000000000000000000
