C111123313331323113313331323133313331311331311331333133112111133132211233121
>>
C11112331333132311331333132313331333131133131133133313311211113313221123312
<<
C111123313331323113313331323133313331311331311331333133112111133132211233123
>>
C111123313331323113313331323133313331311331311331333133112111133132211233122
>>