# type topo
# cell     2.000000     2.000000     1.633100    90.000000    90.000000   120.000000
4
  1 o      0.000100    0.577293    0.000000   0                              2/1      2/13      3/10      3/13      4/12      4/13 
  2 o      0.500000    1.443491    0.000000   0                             1/25      1/13      3/22      3/13      4/13      4/12 
  3 o     -0.500100    1.443318    0.000000   0                             1/16      1/13       2/4      2/13      4/13      4/12 
  4 o     -0.000100    1.154758    0.816550   1                             1/14      1/13      2/13      2/14      3/13      3/14