vtn2 wtn27 xtn276 ytn2 ztn27
kko27 lko276 mko2 nko27 oko276
9ap276 abp2 bbp27 cbp276 dbp2
y1p2 z1p27 01p276 11p2 21p27
nsq27 osq276 psq2 qsq27 rsq276