C111123313331323113313331323133313331311331311331333121133131133113121
>>
C11112331333132311331333132313331333131133131133133312113313113311312
<<
C111123313331323113313331323133313331311331311331333121133131133113123
>>
C111123313331323113313331323133313331311331311331333121133131133113122
>>