C2221333133313331311233132313331333133313331321123231323133112131
>>
C222133313331333131123313231333133313331333132112323132313311213
<<
C2221333133313331311233132313331333133313331321123231323133112133
>>
C2221333133313331311233132313331333133313331321123231323133112132
>>