C22213331333133313112331323133313331333131311331333133311213131   >>    C2221333133313331311233132313331333133313131133133313331121313   <<    C22213331333133313112331323133313331333131311331333133311213133   >>      C22213331333133313112331323133313331333131311331333133311213132   >>