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-rw-r--r--prolog/problems/lists_advanced/shiftleft_2/common.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/prolog/problems/lists_advanced/shiftleft_2/common.py b/prolog/problems/lists_advanced/shiftleft_2/common.py
index 3585a02..77b66ca 100644
--- a/prolog/problems/lists_advanced/shiftleft_2/common.py
+++ b/prolog/problems/lists_advanced/shiftleft_2/common.py
@@ -7,7 +7,7 @@ from server.hints import Hint, HintPopup
id = 113
number = 20
-visible = False
+visible = True
facts = None
solution = '''\