C22213331333133313112331323133313331333131311331333133313231111321111   >>    C2221333133313331311233132313331333133313131133133313331323111132111   <<    C22213331333133313112331323133313331333131311331333133313231111321113   >>      C22213331333133313112331323133313331333131311331333133313231111321112   >>