C13332313311211113313331333133313331322333133313331333131323121   >>    C1333231331121111331333133313331333132233313331333133313132312   <<    C13332313311211113313331333133313331322333133313331333131323123   >>      C13332313311211113313331333133313331322333133313331333131323122   >>