ibr2bn hbr2b gbr2 fbr2bn ebr2b
tkq2b skq2 rkq2bn qkq2b pkq2
4tp2 3tp2bn 2tp2b 1tp2 0tp2bn
f3o2bn e3o2b d3o2 c3o2bn b3o2b
qco2b pco2 oco2bn nco2b mco2