C13112133313331323321333133313331333133313331333133313331333133313111321121
>>
C1311213331333132332133313331333133313331333133313331333133313331311132112
<<
C13112133313331323321333133313331333133313331333133313331333133313111321123
>>
C13112133313331323321333133313331333133313331333133313331333133313111321122
>>