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-rw-r--r--prolog/problems/clp_fd/puzzle_beth_1/common.py9
1 files changed, 9 insertions, 0 deletions
diff --git a/prolog/problems/clp_fd/puzzle_beth_1/common.py b/prolog/problems/clp_fd/puzzle_beth_1/common.py
new file mode 100644
index 0000000..a7bcfeb
--- /dev/null
+++ b/prolog/problems/clp_fd/puzzle_beth_1/common.py
@@ -0,0 +1,9 @@
+id = 155
+group = 'clp_fd'
+number = 56
+visible = True
+facts = None
+
+solution = '''\
+puzzle_beth(X) :-
+ X + 2 #= 2*(X-5).'''