C2221333133313331311233132313331333133313331321123231111331313221   >>    C222133313331333131123313231333133313331333132112323111133131322   <<    C2221333133313331311233132313331333133313331321123231111331313223   >>      C2221333133313331311233132313331333133313331321123231111331313222   >>