$cell vectors
1.0
  4.2819979851401362    0.0000000000000000    0.0000000000000000
  0.0000000000000000    4.2819979851401362    0.0000000000000000
  0.0000000000000000    0.0000000000000000    6.1819970911107696
 2 2
Direct
  0.0000000000000000    0.4999999999999994    0.2020000000000000 # K1
  0.5000000000000006    0.0000000000000000    0.7979999999999998 # K2
  0.0000000000000000    0.5000000000000006    0.7370000000000007 # N1
  0.4999999999999994    0.0000000000000000    0.2630000000000001 # N2
