# type topo
# cell     2.501600     2.501600     1.934000    90.000000    90.000000   120.000000
12
  1 y      0.000000    0.000000    0.000000   0                             4/13       5/1      6/13      9/13     10/12      12/0       7/1      8/10      11/3 
  2 y      1.250800    0.722150    0.644667   0                             7/13      8/10      9/22     11/13      4/22      6/13      5/13     10/13     12/13 
  3 y     -0.000000    1.444299    1.289333   0                            10/16     12/13      11/4      8/13      6/17      4/14      5/14      9/13      7/13 
  4 n     -0.499945    0.865930    0.000000   1                             1/13       2/4      3/12 
  5 n      0.750855    1.300519    0.000000   1                             1/25      2/13      3/12 
  6 n      0.999890    0.000000    0.000000   1                             1/13      2/13       3/9 
  7 n      0.750855    1.588079    0.644667   1                             1/25      2/13      3/13 
  8 n     -0.499945    2.022669    0.644667   1                             1/16      2/16      3/13 
  9 n     -0.250910    0.722150    0.644667   1                             1/13       2/4      3/13 
 10 n      0.750855    0.143780    1.289333   1                             1/14      2/13      3/10 
 11 n      2.001655    0.578370    1.289333   1                             1/23      2/13      3/22 
 12 n      0.999890    1.444299    1.289333   1                             1/26      2/13      3/13