diff --git a/src/day3.rs b/src/day3.rs
index 751f8c8..3985b55 100644
--- a/src/day3.rs
+++ b/src/day3.rs
@@ -64,7 +64,7 @@ impl Day3 {
         }
     }
 
-    fn has_adjacent_symbol(&self, pos: &Coord<usize>, n: &u32) -> bool {
+    fn has_adjacent_symbol(&self, pos: &Coord<usize>, n: u32) -> bool {
         let n_len = Self::number_length(n);
         for y in pos.y.checked_sub(1).unwrap_or(0)..pos.y + 2 {
             for x in pos.x.checked_sub(1).unwrap_or(0)..pos.x + n_len + 1 {
@@ -86,12 +86,17 @@ impl Day3 {
 
     fn is_adjacent(&self, pos: &Coord<usize>, number: &(Coord<usize>, u32)) -> bool {
 
-        return pos.x >= number.0.x.checked_sub(1).unwrap_or(0) && pos.x <= number.0.x + Self::number_length(&number.1) &&
+        return pos.x >= number.0.x.checked_sub(1).unwrap_or(0) && pos.x <= number.0.x + Self::number_length(number.1) &&
             pos.y >= number.0.y.checked_sub(1).unwrap_or(0) && pos.y <= number.0.y + 1
     }
 
-    fn number_length(n: &u32) -> usize {
-        n.to_string().len()
+    fn number_length(n: u32) -> usize {
+        if n < 10 { 1 }
+        else if n < 100 { 2 }
+        else if n < 1000 { 3 }
+        else if n < 10000 { 4 }
+        else if n < 100000 { 5 }
+        else { n.to_string().len() }
     }
 }
 
@@ -102,7 +107,7 @@ impl DaySolver for Day3 {
         // println!("{:?}", self);
         let mut sum = 0u32;
         for (pos, n) in &self.numbers {
-            if self.has_adjacent_symbol(&pos, n) {
+            if self.has_adjacent_symbol(&pos, n.to_owned()) {
                 sum += n;
             // } else {
             //     println!("No adjacent symbol for {}", n);