C22213331333133313112331323133313331333133313331333133313331311331333121321   >>    C2221333133313331311233132313331333133313331333133313331333131133133312132   <<    C22213331333133313112331323133313331333133313331333133313331311331333121323   >>      C22213331333133313112331323133313331333133313331333133313331311331333121322   >>