C13332313311211113313331333133313331322333133313331333133313233313331211   >>    C1333231331121111331333133313331333132233313331333133313331323331333121   <<    C13332313311211113313331333133313331322333133313331333133313233313331213   >>      C13332313311211113313331333133313331322333133313331333133313233313331212   >>