C111123313121111121111331333133313331323231333133313331323233212323131
>>
C11112331312111112111133133313331333132323133313331333132323321232313
<<
C111123313121111121111331333133313331323231333133313331323233212323133
>>
C111123313121111121111331333133313331323231333133313331323233212323132
>>