C312312111111331312111133133313331322331333133313121111331333131121212121
>>
C31231211111133131211113313331333132233133313331312111133133313112121212
<<
C312312111111331312111133133313331322331333133313121111331333131121212123
>>
C312312111111331312111133133313331322331333133313121111331333131121212122
>>