C33331211113313331211113313331333133313332233133112331333131322122311   >>    C3333121111331333121111331333133313331333223313311233133313132212231   <<    C33331211113313331211113313331333133313332233133112331333131322122313   >>      C33331211113313331211113313331333133313332233133112331333131322122312   >>