3
   0.3333  0.3333  0.3334

3 3
   0.5  0.0 -0.0063477
   0.5  0.0  0.4936544
   0.0 -0.5  0.9873085

3 3
   0.0  0.5 -0.0000003
   0.0  0.5 -0.0000003
   0.5  0.0  0.5063492

pattern from Fractint