C22213331333133313112331323133313331333133313331333133313331322133313121   >>    C2221333133313331311233132313331333133313331333133313331333132213331312   <<    C22213331333133313112331323133313331333133313331333133313331322133313123   >>      C22213331333133313112331323133313331333133313331333133313331322133313122   >>