C2221333133313331311233132313331333133313331333133313331311221123231321   >>    C222133313331333131123313231333133313331333133313331333131122112323132   <<    C2221333133313331311233132313331333133313331333133313331311221123231323   >>      C2221333133313331311233132313331333133313331333133313331311221123231322   >>