C22213331333133313112331323133313331333133313211232313331211113313331311   >>    C2221333133313331311233132313331333133313331321123231333121111331333131   <<    C22213331333133313112331323133313331333133313211232313331211113313331313   >>      C22213331333133313112331323133313331333133313211232313331211113313331312   >>