# type topo
# cell     4.950500     4.950500     1.350800    90.000000    90.000000   120.000000
15
  1 n     -0.500496    2.143629    0.000000   0                            13/13     13/12     11/13 
  2 n      0.869060    2.782002    0.000000   0                            14/13     14/12     10/13 
  3 n     -0.368565    3.648886    0.000000   0                            15/16     15/15     12/13 
  4 n      2.975746    2.143629    0.000000   0                            13/22     13/21      8/13 
  5 n      1.606190    1.505257    0.000000   0                            14/13     14/12      7/13 
  6 n      2.843815    0.638373    0.000000   0                            15/13     15/12      9/13 
  7 n      2.106685    0.638373    0.000000   0                             5/13     15/13     15/12 
  8 n      1.974754    2.143629    0.000000   0                             4/13     14/13     14/12 
  9 n      3.344310    1.505257    0.000000   0                             6/13     13/22     13/21 
 10 n      0.368565    3.648886    0.000000   0                             2/13     15/16     15/15 
 11 n      0.500496    2.143629    0.000000   0                             1/13     14/13     14/12 
 12 n     -0.869060    2.782002    0.000000   0                             3/13     13/13     13/12 
 13 v     -1.237625    2.143629    0.675400   1                             1/13      1/14       4/4       4/5       9/4       9/5     12/13     12/14 
 14 v      1.237625    2.143629    0.675400   1                             2/13      2/14      5/13      5/14      8/13      8/14     11/13     11/14 
 15 v      2.475250    0.000000    0.675400   1                             3/10      3/11      6/13      6/14      7/13      7/14     10/10     10/11