# type topo
# cell     2.822700     1.000000     1.524200    90.000000    90.000000    90.000000
4
  1 i      0.499900    0.000000    0.000000   0                              2/4      1/16      1/10      4/12      4/10       4/9      4/13 
  2 i      2.322800    0.000000    0.000000   0                             1/22      2/16      2/10      3/13      3/12      3/10       3/9 
  3 i      1.911250    0.500000    0.762100   0                             2/13      2/14      2/16      2/17      4/13      3/16      3/10 
  4 i      0.911450    0.500000    0.762100   0                             1/14      1/16      1/17      1/13      3/13      4/16      4/10