POSCAR (written by ASE) 

5 	 atoms 
2  atom types
0.0                      24  xlo xhi
0.0                      20  ylo yhi
0.0                      16  zlo zhi


Atoms 

     1   1                       0                       0                       0
     2   1      3.1000000000000001                       0                       0
     3   1                    1.55      2.6846787517317598                       0
     4   1                    1.55     0.89489291724391995      2.5311394008759502
     5   2                    1.55     0.89489291724391995     0.63278485021898756
