C312312111111331312111133133313121111133313113313331322333121111113313232233121
>>
C31231211111133131211113313331312111113331311331333132233312111111331323223312
<<
C312312111111331312111133133313121111133313113313331322333121111113313232233123
>>
C312312111111331312111133133313121111133313113313331322333121111113313232233122
>>