C11112331333132311331333133313331333112211231211111211111121121131   >>    C1111233133313231133133313331333133311221123121111121111112112113   <<    C11112331333132311331333133313331333112211231211111211111121121133   >>      C11112331333132311331333133313331333112211231211111211111121121132   >>