C2221333133313331311233132313331333133313331311233133313113313331333121   >>    C222133313331333131123313231333133313331333131123313331311331333133312   <<    C2221333133313331311233132313331333133313331311233133313113313331333123   >>      C2221333133313331311233132313331333133313331311233133313113313331333122   >>