C111123313331323113313331333133313331323112133313331311331323331111
>>
C11112331333132311331333133313331333132311213331333131133132333111
<<
C111123313331323113313331333133313331323112133313331311331323331113
>>
C111123313331323113313331333133313331323112133313331311331323331112
>>