# type topo
# cell     3.999800     3.999800     2.449800    90.000000    90.000000   120.000000
24
  1 s      0.000000    0.000000    0.500004   0                             4/12      7/13       8/1      9/13 
  2 s      1.999900    1.154643    1.316604   0                             5/13     10/13     11/13     12/13 
  3 s     -0.000000    2.309286    2.133204   0                             6/13     13/13     14/13     15/13 
  4 s      0.000000    0.000000    1.949796   0                             1/14     16/10     17/13      18/4 
  5 s      1.999900    1.154643    0.316596   0                             2/13     19/13     20/13     21/13 
  6 s     -0.000000    2.309286    1.133196   0                             3/13     22/13     23/13     24/13 
  7 n     -0.499975    0.865982    0.500249   1                             1/13      12/4     14/12 
  8 n      1.499925    2.597946    0.500249   1                             1/25     10/13     15/12 
  9 n      0.999950    0.000000    0.500249   1                             1/13     11/13      13/9 
 10 n      1.499925    2.020625    1.316849   1                             2/13      8/13     15/13 
 11 n      1.499925    0.288661    1.316849   1                             2/13      9/13     13/10 
 12 n      2.999850    1.154643    1.316849   1                             2/13      7/22     14/22 
 13 n     -0.499975    3.175268    2.133449   1                             3/13      9/17     11/16 
 14 n     -0.499975    1.443304    2.133449   1                             3/13      7/14      12/4 
 15 n      0.999950    2.309286    2.133449   1                             3/13      8/14     10/13 
 16 n     -1.499925    2.597946    1.949551   1                             4/16      20/5     24/13 
 17 n      0.499975    0.865982    1.949551   1                             4/13     21/14     22/13 
 18 n      2.999850    0.000000    1.949551   1                             4/22     19/14     23/10 
 19 n      2.499875    0.288661    0.316351   1                             5/13     18/12     23/10 
 20 n      2.499875    2.020625    0.316351   1                             5/13     16/21     24/22 
 21 n      0.999950    1.154643    0.316351   1                             5/13     17/12     22/13 
 22 n      0.499975    1.443304    1.132951   1                             6/13     17/13     21/13 
 23 n      0.499975    3.175268    1.132951   1                             6/13     18/16     19/16 
 24 n     -0.999950    2.309286    1.132951   1                             6/13     16/13      20/4