C13112133313331323321333133313331333133313331333133313331333133312123331
>>
C1311213331333132332133313331333133313331333133313331333133313331212333
<<
C13112133313331323321333133313331333133313331333133313331333133312123333
>>
C13112133313331323321333133313331333133313331333133313331333133312123332
>>