C111123313121111121111331333133313331333133313331333133312111111
>>
C11112331312111112111133133313331333133313331333133313331211111
<<
C111123313121111121111331333133313331333133313331333133312111113
>>
C111123313121111121111331333133313331333133313331333133312111112
>>