sefv refvx0 qefvx pefv oefvx0
3nevx0 2nevx 1nev 0nevx0 znevx
exdvx dxdv cxdvx0 bxdvx axdv
p6cv o6cvx0 n6cvx m6cv l6cvx0
0fcvx0 zfcvx yfcv xfcvx0 wfcvx