C111112111133131121133133313331333133313331323112331333133313331333133312323121   >>    C11111211113313112113313331333133313331333132311233133313331333133313331232312   <<    C111112111133131121133133313331333133313331323112331333133313331333133312323123   >>      C111112111133131121133133313331333133313331323112331333133313331333133312323122   >>