C111123313121111121111331333133313331331122133313113313121133132311331
>>
C11112331312111112111133133313331333133112213331311331312113313231133
<<
C111123313121111121111331333133313331331122133313113313121133132311333
>>
C111123313121111121111331333133313331331122133313113313121133132311332
>>