C11112331312111112111133133313331333133313331333133313331333132332212231   >>    C1111233131211111211113313331333133313331333133313331333133313233221223   <<    C11112331312111112111133133313331333133313331333133313331333132332212233   >>      C11112331312111112111133133313331333133313331333133313331333132332212232   >>