C11112331333132311331333133313331333112211231211111323222333131   >>    C1111233133313231133133313331333133311221123121111132322233313   <<    C11112331333132311331333133313331333112211231211111323222333133   >>      C11112331333132311331333133313331333112211231211111323222333132   >>