C111123313331323113313331323133313331311331311331333121133131111
>>
C11112331333132311331333132313331333131133131133133312113313111
<<
C111123313331323113313331323133313331311331311331333121133131113
>>
C111123313331323113313331323133313331311331311331333121133131112
>>