a9dg b9dgb c9dgbm d9dg e9dgb
zzegb 0zegbm 1zeg 2zegb 3zegbm
oqfgbm pqfg qqfgb rqfgbm sqfg
dhgg ehggb fhggbm ghgg hhggb
27ggb 37ggbm 47gg 57ggb 67ggbm