C22213331333133313112331323133313331333133313331333133313233313231321   >>    C2221333133313331311233132313331333133313331333133313331323331323132   <<    C22213331333133313112331323133313331333133313331333133313233313231323   >>      C22213331333133313112331323133313331333133313331333133313233313231322   >>