C312312111112111113121333133313331333133313331333211232313233313331323321312231   >>    C31231211111211111312133313331333133313331333133321123231323331333132332131223   <<    C312312111112111113121333133313331333133313331333211232313233313331323321312233   >>      C312312111112111113121333133313331333133313331333211232313233313331323321312232   >>