# type topo
# cell     1.793900     2.897200     1.685100    90.000000   100.164000    90.000000
8
  1 o      0.374128    1.179160    0.193565   0                              2/4      2/13       5/3      6/12      6/13      7/12 
  2 o      1.271091    1.179160    0.635763   0                             1/22      1/13      5/13      5/12      6/22      8/13 
  3 o      1.271078    2.627760    0.193565   0                             4/13      4/22      5/12      7/15      8/15      8/16 
  4 o      0.374141    2.627760    0.635763   0                             3/13       3/4      6/13      7/16      7/15      8/16 
  5 o      1.122409    1.718040    1.465090   0                             1/23      2/13      2/14      3/14      6/22      6/13 
  6 o      0.225446    1.718040    1.022893   0                             1/14      1/13       2/4      4/13       5/4      5/13 
  7 o      0.225459    0.269440    1.465090   0                             1/14      3/11      4/10      4/11      8/13       8/4 
  8 o      1.122396    0.269440    1.022893   0                             2/13      3/11      3/10      4/10      7/13      7/22