C111123313331323113313331323133313331311331311331311221123121121
>>
C11112331333132311331333132313331333131133131133131122112312112
<<
C111123313331323113313331323133313331311331311331311221123121123
>>
C111123313331323113313331323133313331311331311331311221123121122
>>