m2ob l2ob23 k2ob2 j2ob i2ob23
xbob23 wbob2 vbob ubob23 tbob2
8knb2 7knb 6knb23 5knb2 4knb
jumb iumb23 humb2 gumb fumb23
u3lb23 t3lb2 s3lb r3lb23 q3lb2