C31231211111133131211113313331323133313113313223133313331322331311331323321
>>
C3123121111113313121111331333132313331311331322313331333132233131133132332
<<
C31231211111133131211113313331323133313113313223133313331322331311331323323
>>
C31231211111133131211113313331323133313113313223133313331322331311331323322
>>