diff --git a/progress.png b/progress.png
index e778539..48e5913 100644
Binary files a/progress.png and b/progress.png differ
diff --git a/progress.yaml b/progress.yaml
index dab82ee..6c28326 100644
--- a/progress.yaml
+++ b/progress.yaml
@@ -15,4 +15,6 @@
 8:
   stars: 2
 9:
-  stars: 2
\ No newline at end of file
+  stars: 2
+10:
+  stars: 1
\ No newline at end of file
diff --git a/res/examples/day10.txt b/res/examples/day10.txt
new file mode 100644
index 0000000..7bb1248
--- /dev/null
+++ b/res/examples/day10.txt
@@ -0,0 +1,8 @@
+89010123
+78121874
+87430965
+96549874
+45678903
+32019012
+01329801
+10456732
\ No newline at end of file
diff --git a/src/day10/puzzle1.typ b/src/day10/puzzle1.typ
new file mode 100644
index 0000000..dd378b2
--- /dev/null
+++ b/src/day10/puzzle1.typ
@@ -0,0 +1,68 @@
+#import "/src/utils.typ": *
+
+#let offsets = (
+  (-1, 0),
+  (0, -1),
+  (1, 0),
+  (0, 1)
+)
+
+#let in-grid(w, h, x, y) = {
+  return 0 <= x and x < w and 0 <= y and y < h
+}
+
+#let count-paths(grid, w, h, ox, oy) = {
+  let tails = ()
+  let in-grid = in-grid.with(w, h)
+
+  let to-visit = ((ox, oy),)
+  while to-visit.len() != 0 {
+    let (x, y) = to-visit.remove(0)
+    let v = grid.at(y).at(x)
+    for (dx, dy) in offsets {
+      let (x2, y2) = (x + dx, y + dy)
+      if not in-grid(x2, y2) {
+        continue
+      }
+      let v2 = grid.at(y2).at(x2)
+      if v2 == v + 1 {
+        let pos2 = (x2, y2)
+        if v2 == 9 {
+          if pos2 not in tails {
+            tails.push(pos2)
+          }
+        } else {
+          to-visit.push(pos2)
+        }
+      }
+    }
+  }
+
+  return tails.len()
+}
+
+#let solve(input) = {
+  let grid = input.split("\n").map(l => l.clusters().map(int))
+
+  let w = grid.first().len()
+  let h = grid.len()
+
+  let count-paths = count-paths.with(grid, w, h)
+
+  let total = 0
+  for y in range(h) {
+    for x in range(w) {
+      if grid.at(y).at(x) == 0 {
+        total += count-paths(x, y)
+      }
+    }
+  }
+
+  return total
+}
+
+#show-puzzle(
+  10, 1,
+  solve,
+  example: 36
+)
\ No newline at end of file
diff --git a/src/day10/puzzle2.typ b/src/day10/puzzle2.typ
new file mode 100644
index 0000000..837b232
--- /dev/null
+++ b/src/day10/puzzle2.typ
@@ -0,0 +1,11 @@
+#import "/src/utils.typ": *
+
+#let solve(input) = {
+
+}
+
+#show-puzzle(
+  10, 2,
+  solve,
+  example: 0
+)
\ No newline at end of file
diff --git a/src/main.pdf b/src/main.pdf
index a83c066..4559a90 100644
Binary files a/src/main.pdf and b/src/main.pdf differ
diff --git a/src/utils.typ b/src/utils.typ
index 80176f5..6546890 100644
--- a/src/utils.typ
+++ b/src/utils.typ
@@ -189,5 +189,10 @@
 
 #let template(body) = {
   set text(font: "Source Sans 3")
+  set page(
+    footer: context {
+      align(center, counter(page).display("1 / 1", both: true))
+    }
+  )
   body
 }
\ No newline at end of file