C22213331333133313112331323133313331333133313221333131232313223321   >>    C2221333133313331311233132313331333133313331322133313123231322332   <<    C22213331333133313112331323133313331333133313221333131232313223323   >>      C22213331333133313112331323133313331333133313221333131232313223322   >>