C111123313121111121111331333133313331333131121133133313331333133313123232223221
>>
C11112331312111112111133133313331333133313112113313331333133313331312323222322
<<
C111123313121111121111331333133313331333131121133133313331333133313123232223223
>>
C111123313121111121111331333133313331333131121133133313331333133313123232223222
>>