C2221333133313331311233132313331333133313331322133313112113121333132213121   >>    C222133313331333131123313231333133313331333132213331311211312133313221312   <<    C2221333133313331311233132313331333133313331322133313112113121333132213123   >>      C2221333133313331311233132313331333133313331322133313112113121333132213122   >>