C11112331312111112111133133313331333132323213331333133112111323331311321   >>    C1111233131211111211113313331333133313232321333133313311211132333131132   <<    C11112331312111112111133133313331333132323213331333133112111323331311323   >>      C11112331312111112111133133313331333132323213331333133112111323331311322   >>