C222133313331333131123313231333133313331311111211113313332313331323221211222121
>>
C22213331333133313112331323133313331333131111121111331333231333132322121122212
<<
C222133313331333131123313231333133313331311111211113313332313331323221211222123
>>
C222133313331333131123313231333133313331311111211113313332313331323221211222122
>>