C111123313121111121111331333133313331333131233133313311231211113313332111111
>>
C11112331312111112111133133313331333133313123313331331123121111331333211111
<<
C111123313121111121111331333133313331333131233133313311231211113313332111113
>>
C111123313121111121111331333133313331333131233133313311231211113313332111112
>>