18 files changed, 18 insertions, 18 deletions
diff --git a/prolog/problems/lists/conc_3/common.py b/prolog/problems/lists/conc_3/common.py
index 82b700f..0c5312f 100644
--- a/prolog/problems/lists/conc_3/common.py
+++ b/prolog/problems/lists/conc_3/common.py
@@ -6,7 +6,7 @@ import server.problems
 
 id = 104
 number = 12
-visible = True
+visible = False
 facts = None
 
 solution = '''\
diff --git a/prolog/problems/lists/count_3/common.py b/prolog/problems/lists/count_3/common.py
index 0f4f171..2953f06 100644
--- a/prolog/problems/lists/count_3/common.py
+++ b/prolog/problems/lists/count_3/common.py
@@ -6,7 +6,7 @@ import server.problems
 
 id = 120
 number = 27
-visible = True
+visible = False
 facts = None
 
 solution = '''\
diff --git a/prolog/problems/lists/del_3/common.py b/prolog/problems/lists/del_3/common.py
index f19146f..23caf08 100644
--- a/prolog/problems/lists/del_3/common.py
+++ b/prolog/problems/lists/del_3/common.py
@@ -6,7 +6,7 @@ import server.problems
 
 id = 105
 number = 11
-visible = True
+visible = False
 facts = None
 
 solution = '''\
diff --git a/prolog/problems/lists/divide_3/common.py b/prolog/problems/lists/divide_3/common.py
index 25959aa..969cdec 100644
--- a/prolog/problems/lists/divide_3/common.py
+++ b/prolog/problems/lists/divide_3/common.py
@@ -6,7 +6,7 @@ import server.problems
 
 id = 115
 number = 22
-visible = True
+visible = False
 facts = None
 
 solution = '''\
diff --git a/prolog/problems/lists/dup_2/common.py b/prolog/problems/lists/dup_2/common.py
index 3697fa6..4153533 100644
--- a/prolog/problems/lists/dup_2/common.py
+++ b/prolog/problems/lists/dup_2/common.py
@@ -6,7 +6,7 @@ import server.problems
 
 id = 110
 number = 17
-visible = True
+visible = False
 facts = None
 
 solution = '''\
diff --git a/prolog/problems/lists/evenlen_1_+_oddlen_1/common.py b/prolog/problems/lists/evenlen_1_+_oddlen_1/common.py
index 846ae95..1236551 100644
--- a/prolog/problems/lists/evenlen_1_+_oddlen_1/common.py
+++ b/prolog/problems/lists/evenlen_1_+_oddlen_1/common.py
@@ -6,7 +6,7 @@ import server.problems
 
 id = 116
 number = 23
-visible = True
+visible = False
 facts = None
 
 solution = '''\
diff --git a/prolog/problems/lists/insert_3/common.py b/prolog/problems/lists/insert_3/common.py
index 281d10c..be4da78 100644
--- a/prolog/problems/lists/insert_3/common.py
+++ b/prolog/problems/lists/insert_3/common.py
@@ -6,7 +6,7 @@ import server.problems
 
 id = 106
 number = 13
-visible = True
+visible = False
 facts = None
 
 solution = '''\
diff --git a/prolog/problems/lists/len_2/common.py b/prolog/problems/lists/len_2/common.py
index edcbe41..93a1faa 100644
--- a/prolog/problems/lists/len_2/common.py
+++ b/prolog/problems/lists/len_2/common.py
@@ -6,7 +6,7 @@ import server.problems
 
 id = 119
 number = 26
-visible = True
+visible = False
 facts = None
 
 solution = '''\
diff --git a/prolog/problems/lists/max_2/common.py b/prolog/problems/lists/max_2/common.py
index 5187df3..92cf793 100644
--- a/prolog/problems/lists/max_2/common.py
+++ b/prolog/problems/lists/max_2/common.py
@@ -6,7 +6,7 @@ import server.problems
 
 id = 109
 number = 16
-visible = True
+visible = False
 facts = None
 
 solution = '''\
diff --git a/prolog/problems/lists/memb_2/common.py b/prolog/problems/lists/memb_2/common.py
index b258731..c3f4dde 100644
--- a/prolog/problems/lists/memb_2/common.py
+++ b/prolog/problems/lists/memb_2/common.py
@@ -6,7 +6,7 @@ import server.problems
 
 id = 103
 number = 10
-visible = True
+visible = False
 facts = None
 
 solution = '''\
diff --git a/prolog/problems/lists/min_2/common.py b/prolog/problems/lists/min_2/common.py
index 39ffe89..213da5a 100644
--- a/prolog/problems/lists/min_2/common.py
+++ b/prolog/problems/lists/min_2/common.py
@@ -6,7 +6,7 @@ import server.problems
 
 id = 108
 number = 15
-visible = True
+visible = False
 facts = None
 
 solution = '''\
diff --git a/prolog/problems/lists/palindrome_1/common.py b/prolog/problems/lists/palindrome_1/common.py
index df7b2c0..e9960c6 100644
--- a/prolog/problems/lists/palindrome_1/common.py
+++ b/prolog/problems/lists/palindrome_1/common.py
@@ -6,7 +6,7 @@ import server.problems
 
 id = 112
 number = 19
-visible = True
+visible = False
 facts = None
 
 solution = '''\
diff --git a/prolog/problems/lists/permute_2/common.py b/prolog/problems/lists/permute_2/common.py
index 6a3cc7f..c6381c2 100644
--- a/prolog/problems/lists/permute_2/common.py
+++ b/prolog/problems/lists/permute_2/common.py
@@ -6,7 +6,7 @@ import server.problems
 
 id = 107
 number = 14
-visible = True
+visible = False
 facts = None
 
 solution = '''\
diff --git a/prolog/problems/lists/rev_2/common.py b/prolog/problems/lists/rev_2/common.py
index b34a2fa..408389a 100644
--- a/prolog/problems/lists/rev_2/common.py
+++ b/prolog/problems/lists/rev_2/common.py
@@ -6,7 +6,7 @@ import server.problems
 
 id = 111
 number = 18
-visible = True
+visible = False
 facts = None
 
 solution = '''\
diff --git a/prolog/problems/lists/shiftleft_2/common.py b/prolog/problems/lists/shiftleft_2/common.py
index 0d1c224..13db28f 100644
--- a/prolog/problems/lists/shiftleft_2/common.py
+++ b/prolog/problems/lists/shiftleft_2/common.py
@@ -6,7 +6,7 @@ import server.problems
 
 id = 113
 number = 20
-visible = True
+visible = False
 facts = None
 
 solution = '''\
diff --git a/prolog/problems/lists/shiftright_2/common.py b/prolog/problems/lists/shiftright_2/common.py
index 728bae9..d8a4c9f 100644
--- a/prolog/problems/lists/shiftright_2/common.py
+++ b/prolog/problems/lists/shiftright_2/common.py
@@ -6,7 +6,7 @@ import server.problems
 
 id = 114
 number = 21
-visible = True
+visible = False
 facts = None
 
 solution = '''\
diff --git a/prolog/problems/lists/sublist_2/common.py b/prolog/problems/lists/sublist_2/common.py
index 73e70ef..6187ebc 100644
--- a/prolog/problems/lists/sublist_2/common.py
+++ b/prolog/problems/lists/sublist_2/common.py
@@ -6,7 +6,7 @@ import server.problems
 
 id = 117
 number = 24
-visible = True
+visible = False
 facts = None
 
 solution = '''\
diff --git a/prolog/problems/lists/sum_2/common.py b/prolog/problems/lists/sum_2/common.py
index 559b18f..000b4b0 100644
--- a/prolog/problems/lists/sum_2/common.py
+++ b/prolog/problems/lists/sum_2/common.py
@@ -6,7 +6,7 @@ import server.problems
 
 id = 118
 number = 25
-visible = True
+visible = False
 facts = None
 
 solution = '''\