C31231211113313112133313331311331333133313311211111211111121112231
>>
C3123121111331311213331333131133133313331331121111121111112111223
<<
C31231211113313112133313331311331333133313311211111211111121112233
>>
C31231211113313112133313331311331333133313311211111211111121112232
>>