C2221333133313331311233132313331333133313331321123231323133112121
>>
C222133313331333131123313231333133313331333132112323132313311212
<<
C2221333133313331311233132313331333133313331321123231323133112123
>>
C2221333133313331311233132313331333133313331321123231323133112122
>>