C111123313331323113313331323133313331311331311331311221123231211
>>
C11112331333132311331333132313331333131133131133131122112323121
<<
C111123313331323113313331323133313331311331311331311221123231213
>>
C111123313331323113313331323133313331311331311331311221123231212
>>