diamond 
3.5618587319634445
    0.0000000000000000      0.5000000000000000      0.5000000000000000
    0.5000000000000000      0.0000000000000000      0.5000000000000000
    0.5000000000000000      0.5000000000000000      0.0000000000000000
2
Direct
  0.0000000000000000    0.0000000000000000    0.0000000000000000
  0.2500000000000000    0.2500000000000000    0.2500000000000000
