C312312111111331312111133133313331333121111121133133313113313232321323112121
>>
C31231211111133131211113313331333133312111112113313331311331323232132311212
<<
C312312111111331312111133133313331333121111121133133313113313232321323112123
>>
C312312111111331312111133133313331333121111121133133313113313232321323112122
>>