C2221333133313331311233132313331333133313331322133313331313223313221323221   >>    C222133313331333131123313231333133313331333132213331333131322331322132322   <<    C2221333133313331311233132313331333133313331322133313331313223313221323223   >>      C2221333133313331311233132313331333133313331322133313331313223313221323222   >>