C111112111133131121133133313331333133313331323112331333132331121   >>    C11111211113313112113313331333133313331333132311233133313233112   <<    C111112111133131121133133313331333133313331323112331333132331123   >>      C111112111133131121133133313331333133313331323112331333132331122   >>