C31231211113313121211113313331333133313311211331333133313331312323311231
>>
C3123121111331312121111331333133313331331121133133313331333131232331123
<<
C31231211113313121211113313331333133313311211331333133313331312323311233
>>
C31231211113313121211113313331333133313311211331333133313331312323311232
>>