4 files changed, 47 insertions, 3 deletions
diff --git a/posts/challenges-re-writeups-1.org b/posts/challenges-re-writeups-1.org
index ec32560..d7fd3f0 100644
--- a/posts/challenges-re-writeups-1.org
+++ b/posts/challenges-re-writeups-1.org
@@ -961,9 +961,9 @@ f        8        10
 12       8        18
 #+END_SRC
 
-It would seem that this is some sort of "least multiple of \(b\) such that \(b <
-a\) given that \(b\) is a power of two, but I feel as though I'm grasping at
-straws here.
+It would seem that this is some sort of "least multiple of \(b\) such that \(b
+\gt a\) given that \(b\) is a power of two", but I feel as though I'm grasping
+at straws here.
 
 As a Gentoo user, I have the Linux source tree checked out at =/usr/src/linux=,
 and because the hint mentions low-level programming, I decided to create a
@@ -1234,5 +1234,14 @@ the graph), which are conditionals (branches), and which labels are related
 (linear relationships).
 
 #+BEGIN_EXPORT html
+<nav class="series-nav " aria-label="Series navigation">
+  <a href="/blog/challenges-re-writeups-2.html" class="series-box single-right next">
+    <span class="series-label">Next in series »</span>
+    <span class="series-title">Writeups for Dennis Yurichev's Reverse Engineering Challenges (#12-#22)</span>
+  </a>
+</nav>
+#+END_EXPORT
+
+#+BEGIN_EXPORT html
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/latest.js?config=TeX-MML-AM_CHTML"></script>
 #+END_EXPORT
diff --git a/posts/challenges-re-writeups-2.org b/posts/challenges-re-writeups-2.org
index cb185fc..f0f6ab2 100644
--- a/posts/challenges-re-writeups-2.org
+++ b/posts/challenges-re-writeups-2.org
@@ -920,5 +920,18 @@ the mess of =xor= instructions. This is the [[https://en.wikipedia.org/wiki/XOR_
 it reverses the contents of =a= and =c=.
 
 #+BEGIN_EXPORT html
+<nav class="series-nav" aria-label="Series navigation">
+  <a href="/blog/challenges-re-writeups-1.html" class="series-box prev">
+    <span class="series-label">« Previous in series</span>
+    <span class="series-title">Writeups for Dennis Yurichev's Reverse Engineering Challenges (#2-#11)</span>
+  </a>
+  <a href="/blog/challenges-re-writeups-3.html" class="series-box next">
+    <span class="series-label">Next in series »</span>
+    <span class="series-title">Writeups for Dennis Yurichev's Reverse Engineering Challenges (#23-#35)</span>
+  </a>
+</nav>
+#+END_EXPORT
+
+#+BEGIN_EXPORT html
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/latest.js?config=TeX-MML-AM_CHTML"></script>
 #+END_EXPORT
diff --git a/posts/challenges-re-writeups-3.org b/posts/challenges-re-writeups-3.org
index 1bf5cc0..65614b2 100644
--- a/posts/challenges-re-writeups-3.org
+++ b/posts/challenges-re-writeups-3.org
@@ -815,3 +815,16 @@ f(10, 12) = 2
 
 It took me a while, but I eventually noticed the pattern. =f= is the [[https://en.wikipedia.org/wiki/Greatest_common_divisor][greatest
 common divisor]] function.
+
+#+BEGIN_EXPORT html
+<nav class="series-nav" aria-label="Series navigation">
+  <a href="/blog/challenges-re-writeups-2.html" class="series-box prev">
+    <span class="series-label">« Previous in series</span>
+    <span class="series-title">Writeups for Dennis Yurichev's Reverse Engineering Challenges (#12-#22)</span>
+  </a>
+  <a href="/blog/challenges-re-writeups-4.html" class="series-box next">
+    <span class="series-label">Next in series »</span>
+    <span class="series-title">Writeups for Dennis Yurichev's Reverse Engineering Challenges (#36-#74)</span>
+  </a>
+</nav>
+#+END_EXPORT
diff --git a/posts/challenges-re-writeups-4.org b/posts/challenges-re-writeups-4.org
index c80c27a..2b33d0d 100644
--- a/posts/challenges-re-writeups-4.org
+++ b/posts/challenges-re-writeups-4.org
@@ -1148,3 +1148,12 @@ Infrequent enough that it wouldn't be overwhelming, and I'd be able to make it a
 sizeable challenge. I'd be able to give out hints every week, and post the
 solution at the end of the month. Actually, I may do this through the [[https://ctf.cs.umass.edu/][wargames]]
 site we're putting together at university. Stay tuned!
+
+#+BEGIN_EXPORT html
+<nav class="series-nav" aria-label="Series navigation">
+  <a href="/blog/challenges-re-writeups-3.html" class="series-box single-left next">
+    <span class="series-label">« Previous in series</span>
+    <span class="series-title">Writeups for Dennis Yurichev's Reverse Engineering Challenges (#23-#35)</span>
+  </a>
+</nav>
+#+END_EXPORT