A C  F    (0.324423, 0.783227) 0.847759 ok
A  D F    (0.617317, 0.076120) 0.621992 ok
A  D  G   (0.076120, 0.617317) 0.621992 ok
 B D  G   (0.458804, 0.541196) 0.709503 ok
 B  E G   (-0.541196, -0.458804) 0.709503 ok
 B  E  H  (-0.617317, -0.076120) 0.621992 ok
 B  E   I (-0.000000, 0.847759) 0.847759 ok
  CD  G   (0.783227, 0.324423) 0.847759 ok
  C E G   (-0.216773, -0.675577) 0.709503 ok
  C E  H  (-0.292893, -0.292893) 0.414214 ok
  C E   I (0.324423, 0.630986) 0.709503 ok
  C  FG   (-0.599456, -0.599456) 0.847759 ok
  C  F H  (-0.675577, -0.216773) 0.709503 ok
  C  F  I (-0.058260, 0.707107) 0.709503 ok
   DE   I (0.617317, -0.076120) 0.621992 ok
   D F  I (0.234633, -0.000000) 0.234633 ok
   D  G I (-0.306563, 0.541196) 0.621992 ok