C22213331333133313112331323133313331333133313211232313331323223313232313331211   >>    C2221333133313331311233132313331333133313331321123231333132322331323231333121   <<    C22213331333133313112331323133313331333133313211232313331323223313232313331213   >>      C22213331333133313112331323133313331333133313211232313331323223313232313331212   >>