C111123313331323113313331333133313331323133112213331323133311211
>>
C11112331333132311331333133313331333132313311221333132313331121
<<
C111123313331323113313331333133313331323133112213331323133311213
>>
C111123313331323113313331333133313331323133112213331323133311212
>>