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-rw-r--r--prolog/problems/dcg/expr_2/common.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/prolog/problems/dcg/expr_2/common.py b/prolog/problems/dcg/expr_2/common.py
index 7f27665..c24bd4d 100644
--- a/prolog/problems/dcg/expr_2/common.py
+++ b/prolog/problems/dcg/expr_2/common.py
@@ -1,6 +1,6 @@
id = 170
-number = 77
-visible = False
+number = 90
+visible = True
facts = None
solution = '''\