w2prv x2prv7 y2pr z2prv 02prv7

ltqrv7 mtqr ntqrv otqrv7 ptqr

akrr bkrrv ckrrv7 dkrr ekrrv

zasrv 0asrv7 1asr 2asrv 3asrv7

o1srv7 p1sr q1srv r1srv7 s1sr