C2221333133313331311233132313331333133313331322133313331312133313131221   >>    C222133313331333131123313231333133313331333132213331333131213331313122   <<    C2221333133313331311233132313331333133313331322133313331312133313131223   >>      C2221333133313331311233132313331333133313331322133313331312133313131222   >>