C22213331333133313112331323133313331333133313233211111133121211
>>
C2221333133313331311233132313331333133313331323321111113312121
<<
C22213331333133313112331323133313331333133313233211111133121213
>>
C22213331333133313112331323133313331333133313233211111133121212
>>