x0dkd1 y0dk z0dkd 00dkd1 10dk
mrek nrekd orekd1 prek qrekd
bifkd cifkd1 difk eifkd fifkd1
08fkd1 18fk 28fkd 38fkd1 48fk
pzgk qzgkd rzgkd1 szgk tzgkd