C31231211113313121211113313331323133313331333133313121111121111331322331221
>>
C3123121111331312121111331333132313331333133313331312111112111133132233122
<<
C31231211113313121211113313331323133313331333133313121111121111331322331223
>>
C31231211113313121211113313331323133313331333133313121111121111331322331222
>>