C22213331333133313112331323133313331333133313221333133313112211232211331   >>    C2221333133313331311233132313331333133313331322133313331311221123221133   <<    C22213331333133313112331323133313331333133313221333133313112211232211333   >>      C22213331333133313112331323133313331333133313221333133313112211232211332   >>