C11112331312111112111133133313331333132323213331333132112323112111323131   >>    C1111233131211111211113313331333133313232321333133313211232311211132313   <<    C11112331312111112111133133313331333132323213331333132112323112111323133   >>      C11112331312111112111133133313331333132323213331333132112323112111323132   >>