C111123313331323113313331333133313331323132333133313211232321123221
>>
C11112331333132311331333133313331333132313233313331321123232112322
<<
C111123313331323113313331333133313331323132333133313211232321123223
>>
C111123313331323113313331333133313331323132333133313211232321123222
>>