C111123313121111121111331333133313331333133313113121111112121121
>>
C11112331312111112111133133313331333133313331311312111111212112
<<
C111123313121111121111331333133313331333133313113121111112121123
>>
C111123313121111121111331333133313331333133313113121111112121122
>>