s19p r19pi1 q19pi p19p o19pi1

3a9pi1 2a9pi 1a9p 0a9pi1 za9pi

ek8pi dk8p ck8pi1 bk8pi ak8p

pt7p ot7pi1 nt7pi mt7p lt7pi1

026pi1 z26pi y26p x26pi1 w26pi