C111123313331323113313331323133313331311331311331333133112111111123311
>>
C11112331333132311331333132313331333131133131133133313311211111112331
<<
C111123313331323113313331323133313331311331311331333133112111111123313
>>
C111123313331323113313331323133313331311331311331333133112111111123312
>>