# type topo
# cell     1.732100     2.000000     1.000000    90.000000    90.000000    90.000000
3
  1 o      0.000000    0.500000    0.000000   0                             1/14      1/12      2/13      2/10      3/13       3/4 
  2 o      0.000000    1.500000    0.000000   0                             1/13      1/16      2/14      2/12       3/7      3/16 
  3 o      0.866050    0.000000    0.000000   1                             1/13      1/22      2/19      2/10      3/14      3/12