# type topo
# cell     1.633000     1.633000     2.666700    90.000000    90.000000   120.000000
4
  1 s     -0.000082    0.942860    0.000000   0                              3/4      3/16      3/13      4/12 
  2 s      0.816582    0.471359    1.333350   0                             3/13      4/10      4/22      4/13 
  3 s      0.816582    0.471359    0.333338   1                             1/22      1/10      1/13      2/13 
  4 s     -0.000082    0.942860    1.666688   1                             1/14      2/16       2/4      2/13