C22213331333133313112331323133313331333133313331333133313231333131121131211211   >>    C2221333133313331311233132313331333133313331333133313331323133313112113121121   <<    C22213331333133313112331323133313331333133313331333133313231333131121131211213   >>      C22213331333133313112331323133313331333133313331333133313231333131121131211212   >>