C22213331333133313112331323133313331333133313221333133312123321   >>    C2221333133313331311233132313331333133313331322133313331212332   <<    C22213331333133313112331323133313331333133313221333133312123323   >>      C22213331333133313112331323133313331333133313221333133312123322   >>