diff --git a/2023/src/bin/01.rs b/2023/src/bin/01.rs
index 702cd67..a5c0f75 100644
--- a/2023/src/bin/01.rs
+++ b/2023/src/bin/01.rs
@@ -107,7 +107,9 @@ mod tests {
 
     #[test]
     fn test_part_two() {
-        let result = part_two(&advent_of_code::template::read_file("examples", DAY, 2));
+        let result = part_two(&advent_of_code::template::read_file_part(
+            "examples", DAY, 2,
+        ));
         assert_eq!(result, Some(281));
     }
 }
diff --git a/2023/src/bin/06.rs b/2023/src/bin/06.rs
index c3022bc..0cbb8f4 100644
--- a/2023/src/bin/06.rs
+++ b/2023/src/bin/06.rs
@@ -39,12 +39,14 @@ fn parse(input: &str) -> Vec<Race> {
 }
 
 pub fn part_one(input: &str) -> Option<u64> {
-    Some(parse(input)
-        .iter()
-        .map(|race| race.winning_times().len() as u64)
-        .collect::<Vec<u64>>()
-        .iter()
-        .product())
+    Some(
+        parse(input)
+            .iter()
+            .map(|race| race.winning_times().len() as u64)
+            .collect::<Vec<u64>>()
+            .iter()
+            .product(),
+    )
 }
 
 pub fn part_two(input: &str) -> Option<u64> {
diff --git a/2023/src/bin/07.rs b/2023/src/bin/07.rs
index e49f6c4..0be042e 100644
--- a/2023/src/bin/07.rs
+++ b/2023/src/bin/07.rs
@@ -256,7 +256,10 @@ fn parse(input: &str) -> Vec<Hand> {
 
 pub fn part_one(input: &str) -> Option<u32> {
     let mut sum: u64 = 0;
-    let mut hands = parse(input).iter().map(|h| h.clone()).collect::<Vec<Hand>>();
+    let mut hands = parse(input)
+        .iter()
+        .map(|h| h.clone())
+        .collect::<Vec<Hand>>();
     hands.sort();
     for (index, hand) in hands.iter().rev().enumerate() {
         sum += hand.bid * (index as u64 + 1);
diff --git a/2023/src/bin/09.rs b/2023/src/bin/09.rs
index f470b53..be5886e 100644
--- a/2023/src/bin/09.rs
+++ b/2023/src/bin/09.rs
@@ -38,7 +38,14 @@ fn next_number(s: &Seq) -> i32 {
 }
 
 pub fn part_one(input: &str) -> Option<u32> {
-    Some(parse(input).iter().map(|s| next_number(&s)).sum::<i32>().try_into().unwrap())
+    Some(
+        parse(input)
+            .iter()
+            .map(|s| next_number(&s))
+            .sum::<i32>()
+            .try_into()
+            .unwrap(),
+    )
 }
 
 fn previous_number(s: &Seq) -> i32 {
@@ -51,7 +58,14 @@ fn previous_number(s: &Seq) -> i32 {
 }
 
 pub fn part_two(input: &str) -> Option<u32> {
-    Some(parse(input).iter().map(|s| previous_number(&s)).sum::<i32>().try_into().unwrap())
+    Some(
+        parse(input)
+            .iter()
+            .map(|s| previous_number(&s))
+            .sum::<i32>()
+            .try_into()
+            .unwrap(),
+    )
 }
 
 #[cfg(test)]
diff --git a/2023/src/bin/19.rs b/2023/src/bin/19.rs
index 5b67319..8fe2c6f 100644
--- a/2023/src/bin/19.rs
+++ b/2023/src/bin/19.rs
@@ -144,7 +144,6 @@ pub fn part_one(input: &str) -> Option<u64> {
     Some(parts.iter().map(|p| filter_part(&rules, &p)).sum())
 }
 
-
 fn combinations(weights: [(u64, u64); 4]) -> u64 {
     (0..4)
         .into_iter()