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diff --git a/prolog/problems/dcg/paren_3/sl.py b/prolog/problems/dcg/paren_3/sl.py
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+# coding=utf-8
+
+name = 'paren/3'
+slug = 'Pravilno gnezdeni oklepaji s pomenom'
+
+description = '''\
+<p>Napiši gramatiko z začetnim simbolom <code>paren</code> za jezik pravilno gnezdenih zaporedij oklepajev. Pomen besede v tem jeziku je največja globina gnezdenja oklepajev.</p>
+<pre>
+ ?- paren(D, ['(','(',')',')','(',')'], []). % (())()
+ D = 2.
+</pre>
+'''
+
+hint = {}