C22213331333133313112331323133313331333133313221333133313112232122133313233121   >>    C2221333133313331311233132313331333133313331322133313331311223212213331323312   <<    C22213331333133313112331323133313331333133313221333133313112232122133313233123   >>      C22213331333133313112331323133313331333133313221333133313112232122133313233122   >>