C2221333133313331311233132313331333133313331321123231333131232311223321   >>    C222133313331333131123313231333133313331333132112323133313123231122332   <<    C2221333133313331311233132313331333133313331321123231333131232311223323   >>      C2221333133313331311233132313331333133313331321123231333131232311223322   >>