C312312111133131212111133133313331333133312133313121133132322331211
>>
C31231211113313121211113313331333133313331213331312113313232233121
<<
C312312111133131212111133133313331333133312133313121133132322331213
>>
C312312111133131212111133133313331333133312133313121133132322331212
>>