C2221333133313331311233132313331333133313331322313331311331322221231   >>    C222133313331333131123313231333133313331333132231333131133132222123   <<    C2221333133313331311233132313331333133313331322313331311331322221233   >>      C2221333133313331311233132313331333133313331322313331311331322221232   >>