C2221333133313331311233132313331333133313331321123231133131322321   >>    C222133313331333131123313231333133313331333132112323113313132232   <<    C2221333133313331311233132313331333133313331321123231133131322323   >>      C2221333133313331311233132313331333133313331321123231133131322322   >>