C1111233131211111211113313331333133313331333133313331333133313121121111
>>
C111123313121111121111331333133313331333133313331333133313331312112111
<<
C1111233131211111211113313331333133313331333133313331333133313121121113
>>
C1111233131211111211113313331333133313331333133313331333133313121121112
>>