C222133313331333131123313231333133313331333133313331333133313133331211   >>    C22213331333133313112331323133313331333133313331333133313331313333121   <<    C222133313331333131123313231333133313331333133313331333133313133331213   >>      C222133313331333131123313231333133313331333133313331333133313133331212   >>