C111123313121111121111331333133313331331123231211113313113313331333111211
>>
C11112331312111112111133133313331333133112323121111331311331333133311121
<<
C111123313121111121111331333133313331331123231211113313113313331333111213
>>
C111123313121111121111331333133313331331123231211113313113313331333111212
>>