# type topo
# cell     4.462200     1.755700     2.664900    90.000000    90.000000    90.000000
12
  1 s      0.943309    0.000000    0.499935   0                             4/12      7/13      7/10      9/13 
  2 s      3.518891    0.000000    0.499935   0                             3/12      8/13      8/10      9/22 
  3 s      3.518891    0.000000    2.164965   0                             2/14      5/13      5/10     10/22 
  4 s      0.943309    0.000000    2.164965   0                             1/14      6/13      6/10     10/13 
  5 s      3.174409    0.877850    1.832385   0                             3/13      3/16      8/13     11/13 
  6 s      1.287791    0.877850    1.832385   0                             4/13      4/16      7/13     11/13 
  7 s      1.287791    0.877850    0.832515   0                             1/13      1/16      6/13     12/13 
  8 s      3.174409    0.877850    0.832515   0                             2/13      2/16      5/13     12/13 
  9 n      0.000000    0.000000    0.832515   1                             1/13       2/4     10/13 
 10 n      0.000000    0.000000    1.832385   1                              3/4      4/13      9/13 
 11 n      2.231100    0.877850    2.164965   1                             5/13      6/13     12/14 
 12 n      2.231100    0.877850    0.499935   1                             7/13      8/13     11/12