C31231211111133131211113313331333133313331323133313311211113313231323121211
>>
C3123121111113313121111331333133313331333132313331331121111331323132312121
<<
C31231211111133131211113313331333133313331323133313311211113313231323121213
>>
C31231211111133131211113313331333133313331323133313311211113313231323121212
>>