sjrt rjrtmn qjrtm pjrt ojrtmn
3sqtmn 2sqtm 1sqt 0sqtmn zsqtm
e2ptm d2pt c2ptmn b2ptm a2pt
pbpt obptmn nbptm mbpt lbptmn
0kotmn zkotm ykot xkotmn wkotm