C31231211111133131211113313331323133313331311233132313231333133313232223121
>>
C3123121111113313121111331333132313331333131123313231323133313331323222312
<<
C31231211111133131211113313331323133313331311233132313231333133313232223123
>>
C31231211111133131211113313331323133313331311233132313231333133313232223122
>>