C33331211113313331211113313331333133313223313311211113313222111
>>
C3333121111331333121111331333133313331322331331121111331322211
<<
C33331211113313331211113313331333133313223313311211113313222113
>>
C33331211113313331211113313331333133313223313311211113313222112
>>