C111123313121111121111331333133313331333133313331333133313331333232213111121
>>
C11112331312111112111133133313331333133313331333133313331333133323221311112
<<
C111123313121111121111331333133313331333133313331333133313331333232213111123
>>
C111123313121111121111331333133313331333133313331333133313331333232213111122
>>