C11112331333132311331333133313331333112211231211113313331322231131   >>    C1111233133313231133133313331333133311221123121111331333132223113   <<    C11112331333132311331333133313331333112211231211113313331322231133   >>      C11112331333132311331333133313331333112211231211113313331322231132   >>