C11112331312111112111133133313331333132323213331333132112323112111321   >>    C1111233131211111211113313331333133313232321333133313211232311211132   <<    C11112331312111112111133133313331333132323213331333132112323112111323   >>      C11112331312111112111133133313331333132323213331333132112323112111322   >>