C31231211111133131211113313331333133313331323132313331333133313331311332312131
>>
C3123121111113313121111331333133313331333132313231333133313331333131133231213
<<
C31231211111133131211113313331333133313331323132313331333133313331311332312133
>>
C31231211111133131211113313331333133313331323132313331333133313331311332312132
>>