C111123313331323113313331323133313331311331311331333133313311222121
>>
C11112331333132311331333132313331333131133131133133313331331122212
<<
C111123313331323113313331323133313331311331311331333133313311222123
>>
C111123313331323113313331323133313331311331311331333133313311222122
>>