qjdmc pjdm ojdmcr njdmc mjdm
1scm 0scmcr zscmc yscm xscmcr
c2bmcr b2bmc a2bm 91bmcr 81bmc
nbbmc mbbm lbbmcr kbbmc jbbm
ykam xkamcr wkamc vkam ukamcr