C111123313121111121111331333133313331331123231211113313113313331331121212131
>>
C11112331312111112111133133313331333133112323121111331311331333133112121213
<<
C111123313121111121111331333133313331331123231211113313113313331331121212133
>>
C111123313121111121111331333133313331331123231211113313113313331331121212132
>>