C22213331333133313112331323133313331333133313211232313331333112331321123211211   >>    C2221333133313331311233132313331333133313331321123231333133311233132112321121   <<    C22213331333133313112331323133313331333133313211232313331333112331321123211213   >>      C22213331333133313112331323133313331333133313211232313331333112331321123211212   >>