# type topo
# cell     1.154700     1.154700     1.154700    90.000000    90.000000    90.000000
2
  1 v      0.000000    0.000000    0.000000   0                             2/12      2/10       2/3       2/9       2/0      2/13       2/4       2/1 
  2 v      0.577350    0.577350    0.577350   0                             1/14      1/16      1/23      1/17      1/26      1/13      1/22      1/25