C111123313121111121111331333133313331323232133313331333133313211212111
>>
C11112331312111112111133133313331333132323213331333133313331321121211
<<
C111123313121111121111331333133313331323232133313331333133313211212113
>>
C111123313121111121111331333133313331323232133313331333133313211212112
>>