C22213331333133313112331323133313331333131311331333133311211331323311321   >>    C2221333133313331311233132313331333133313131133133313331121133132331132   <<    C22213331333133313112331323133313331333131311331333133311211331323311323   >>      C22213331333133313112331323133313331333131311331333133311211331323311322   >>