POSCAR generated by cell class
1.0
  6.4179969800629095    0.0000000000000000    0.0000000000000000
 -3.2089984900314534    5.5581484261462890    0.0000000000000000
  0.0000000000000000    0.0000000000000000    3.7429982387621501
 2 6
Direct
  0.3333333333333333    0.6666666666666666    0.2500000000000000 # 11
  0.6666666666666666    0.3333333333333333    0.7500000000000000 # 12
  0.3923000000000000    0.3108000000000001    0.2500000000000000 # 21
  0.6077000000000000    0.6892000000000000    0.7500000000000000 # 22
  0.0815000000000000    0.3923000000000000    0.7500000000000000 # 23
  0.9185000000000000    0.6077000000000000    0.2500000000000000 # 24
  0.6892000000000000    0.0815000000000000    0.2500000000000000 # 25
  0.3108000000000001    0.9185000000000000    0.7500000000000000 # 26