C22213331333133313112331323133313331333133313211232313331333132313231323311211   >>    C2221333133313331311233132313331333133313331321123231333133313231323132331121   <<    C22213331333133313112331323133313331333133313211232313331333132313231323311213   >>      C22213331333133313112331323133313331333133313211232313331333132313231323311212   >>