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-rw-r--r--prolog/problems/dcg/paren_2/common.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/prolog/problems/dcg/paren_2/common.py b/prolog/problems/dcg/paren_2/common.py
index 2fa050f..f77950d 100644
--- a/prolog/problems/dcg/paren_2/common.py
+++ b/prolog/problems/dcg/paren_2/common.py
@@ -31,6 +31,8 @@ test_cases = [
['(','(',')',')','(',')'],['(',')','(','(',')',')'], \
['(',')','(',')','(',')']]",
[{}]),
+ ("paren(['(','(','(',')',')',')','(',')','(','(',')',')'], [])",
+ [{}]),
]
def test(code, aux_code):