C31231211111133131211113313331333133312111112111133133313331333132322211121
>>
C3123121111113313121111331333133313331211111211113313331333133313232221112
<<
C31231211111133131211113313331333133312111112111133133313331333132322211123
>>
C31231211111133131211113313331333133312111112111133133313331333132322211122
>>