C11112331333132311331333133313331333112211231211111211111211233121
>>
C1111233133313231133133313331333133311221123121111121111121123312
<<
C11112331333132311331333133313331333112211231211111211111211233123
>>
C11112331333132311331333133313331333112211231211111211111211233122
>>