C11112331333132311331333133313331333112211231211113313331333133313231323222331   >>    C1111233133313231133133313331333133311221123121111331333133313331323132322233   <<    C11112331333132311331333133313331333112211231211113313331333133313231323222333   >>      C11112331333132311331333133313331333112211231211113313331333133313231323222332   >>