PolyhedronsSet
tolerance  1.0e-8
 plus  internal -1.0  0.0  0.0 -1.0  0.0  0.0  1.0e-8
   minus internal  0.0  1.0  0.0  0.0  1.0  0.0  1.0e-8
     minus internal  0.0  0.0  1.0  0.0  0.0  1.0  1.0e-8
       minus internal  0.0  0.0 -1.0  0.0  0.0 -1.0  1.0e-8
         minus internal  0.0 -1.0  0.0  0.0 -1.0  0.0  1.0e-8
           minus internal  1.0  0.0  0.0  1.0  0.0  0.0  1.0e-8
             minus leaf true
             plus  leaf false
           plus  leaf false
         plus  leaf false
       plus  leaf false
     plus  leaf false
   plus  leaf false