C22213331333133313112331323133313331333131311331333133313233113313231   >>    C2221333133313331311233132313331333133313131133133313331323311331323   <<    C22213331333133313112331323133313331333131311331333133313233113313233   >>      C22213331333133313112331323133313331333131311331333133313233113313232   >>