# type topo
# cell     2.474800     2.474800     1.350900    90.000000    90.000000    90.000000
5
  1 n      0.000000    0.737490    0.675450   0                             2/13      5/14      5/13 
  2 n      0.000000    1.737310    0.675450   0                             1/13      5/17      5/16 
  3 n      1.737310    0.000000    0.675450   0                             4/13      5/23      5/22 
  4 n      0.737490    0.000000    0.675450   0                             3/13      5/14      5/13 
  5 v      0.000000    0.000000    0.000000   1                             1/12      1/13       2/9      2/10       3/3       3/4      4/12      4/13