C111123313121111121111331333133313331333132232233131211111312323331
>>
C11112331312111112111133133313331333133313223223313121111131232333
<<
C111123313121111121111331333133313331333132232233131211111312323333
>>
C111123313121111121111331333133313331333132232233131211111312323332
>>