C22213331333133313112331323133313331333133313221333133313122132211   >>    C2221333133313331311233132313331333133313331322133313331312213221   <<    C22213331333133313112331323133313331333133313221333133313122132213   >>      C22213331333133313112331323133313331333133313221333133313122132212   >>