# type topo
# cell     1.633100     1.633100     1.633100    90.000000    90.000000    90.000000
4
  1 o      0.612413    0.612413    0.612413   0                             2/13      2/12      3/13      3/10      4/13       4/4 
  2 o      0.204138    1.020687    1.428962   0                             1/13      1/14      3/14       3/5       4/4       4/7 
  3 o      1.020687    1.428962    0.204137   0                             1/13      1/16      2/12      2/21      4/15      4/16 
  4 o      1.428962    0.204138    1.020687   0                             1/13      1/22      2/22      2/19      3/11      3/10