C222133313331333131123313231333133313331333132331211111311331333112211221   >>    C22213331333133313112331323133313331333133313233121111131133133311221122   <<    C222133313331333131123313231333133313331333132331211111311331333112211223   >>      C222133313331333131123313231333133313331333132331211111311331333112211222   >>