C22213331333133313112331323133313331333133313233121111122212121
>>
C2221333133313331311233132313331333133313331323312111112221212
<<
C22213331333133313112331323133313331333133313233121111122212123
>>
C22213331333133313112331323133313331333133313233121111122212122
>>