# type topo
# cell     1.732000     1.732000     1.000000    90.000000    90.000000   120.000000
3
  1 o      0.000000    0.000000    0.000000   0                              3/4       3/1      3/13      2/10      2/13       2/1 
  2 p     -0.000087    1.000021    0.000000   1                             1/16      1/13      1/25      2/14      2/12 
  3 p      0.866087    0.499935    0.000000   1                             1/22      1/25      1/13      3/14      3/12