C2221333133313331311233132313331333133313331321123231133131131221   >>    C222133313331333131123313231333133313331333132112323113313113122   <<    C2221333133313331311233132313331333133313331321123231133131131223   >>      C2221333133313331311233132313331333133313331321123231133131131222   >>