# type topo
# cell     1.633300     1.633300     1.154500    90.000000    90.000000    90.000000
4
  1 s      0.000000    0.000000    0.000000   0                             3/13       3/3      4/12      4/10 
  2 s      0.816650    0.816650    0.000000   0                             3/16      3/12      4/13      4/21 
  3 s      0.816650    0.000000    0.577250   0                             1/13      1/23      2/10      2/14 
  4 s      0.000000    0.816650    0.577250   0                             1/14      1/16      2/13       2/5