C22213331333133313112331323133313331333131311331333132322232131   >>    C2221333133313331311233132313331333133313131133133313232223213   <<    C22213331333133313112331323133313331333131311331333132322232133   >>      C22213331333133313112331323133313331333131311331333132322232132   >>