C2221333133313331311233132313331333133313331321123231333121111332213221
>>
C222133313331333131123313231333133313331333132112323133312111133221322
<<
C2221333133313331311233132313331333133313331321123231333121111332213223
>>
C2221333133313331311233132313331333133313331321123231333121111332213222
>>