C31231211113313121211113313331333133313311211331333133313331311331321211
>>
C3123121111331312121111331333133313331331121133133313331333131133132121
<<
C31231211113313121211113313331333133313311211331333133313331311331321213
>>
C31231211113313121211113313331333133313311211331333133313331311331321212
>>