C31231211111133131211113313331333133313332233132313331322133313123131
>>
C3123121111113313121111331333133313331333223313231333132213331312313
<<
C31231211111133131211113313331333133313332233132313331322133313123133
>>
C31231211111133131211113313331333133313332233132313331322133313123132
>>