C2221333133313331311233132313331333133313331321123231333132313331313212121   >>    C222133313331333131123313231333133313331333132112323133313231333131321212   <<    C2221333133313331311233132313331333133313331321123231333132313331313212123   >>      C2221333133313331311233132313331333133313331321123231333132313331313212122   >>