C312312111111331312111133133313331333121111331333132212111111211
>>
C31231211111133131211113313331333133312111133133313221211111121
<<
C312312111111331312111133133313331333121111331333132212111111213
>>
C312312111111331312111133133313331333121111331333132212111111212
>>