diff --git a/01/index.html b/01/index.html
index ae68e9f..16f961c 100644
--- a/01/index.html
+++ b/01/index.html
@@ -4,7 +4,7 @@
01 - Pathways
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+
diff --git a/02/index.html b/02/index.html
index dac947c..cc72d26 100644
--- a/02/index.html
+++ b/02/index.html
@@ -4,7 +4,7 @@
02 - Opening
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+
diff --git a/03/index.html b/03/index.html
index d0affb3..1f4219d 100644
--- a/03/index.html
+++ b/03/index.html
@@ -3,7 +3,7 @@
03 - Pair
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diff --git a/04/index.html b/04/index.html
index 39daf31..7ffc536 100644
--- a/04/index.html
+++ b/04/index.html
@@ -3,7 +3,7 @@
04 - Tree
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+