C2221333133313331311233132313331333133313331321123231333133313121211121   >>    C222133313331333131123313231333133313331333132112323133313331312121112   <<    C2221333133313331311233132313331333133313331321123231333133313121211123   >>      C2221333133313331311233132313331333133313331321123231333133313121211122   >>