C111123313331323113313331323133313331311331311331311221123232233121
>>
C11112331333132311331333132313331333131133131133131122112323223312
<<
C111123313331323113313331323133313331311331311331311221123232233123
>>
C111123313331323113313331323133313331311331311331311221123232233122
>>