zgrb1 0grb14 1grb 2grb1 3grb14
o7rb14 p7rb q7rb1 r7rb14 s7rb
dysb eysb1 fysb14 gysb hysb1
2otb1 3otb14 4otb 5otb1 6otb14
rfub14 sfub tfub1 ufub14 vfub