diff --git a/src/voc.rs b/src/voc.rs
index 6390d0f..64ab1ee 100644
--- a/src/voc.rs
+++ b/src/voc.rs
@@ -168,16 +168,22 @@ pub trait Block: std::fmt::Debug {
 
 // Terminator
 
+pub struct Terminator {
+    block_type: BlockType,
+}
+
+impl Terminator {
+    pub fn new() -> Self {
+        Self { block_type: BlockType::Terminator }
+    }
+}
+
 impl Block for Terminator {
     fn to_bytes(&self) -> Vec<u8> {
         vec![self.block_type as u8]
     }
 }
 
-pub struct Terminator {
-    block_type: BlockType,
-}
-
 impl fmt::Debug for Terminator {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_struct("Terminator")
@@ -185,13 +191,27 @@ impl fmt::Debug for Terminator {
     }
 }
 
-impl Terminator {
-    pub fn new() -> Self {
-        Self { block_type: BlockType::Terminator }
-    }
+// SoundData
+
+pub struct SoundData {
+    block_type: BlockType,
+    pub size: i32,
+    pub sample_rate: i32,
+    pub codec: Codec,
+    pub data: Vec<u8>,
 }
 
-// SoundData
+impl SoundData {
+    pub fn new(size: i32, sample_rate: i32, codec: Codec, data: Vec<u8>) -> Self {
+        Self {
+            block_type: BlockType::SoundData,
+            size,
+            sample_rate,
+            codec,
+            data,
+        }
+    }
+}
 
 impl Block for SoundData {
     fn to_bytes(&self) -> Vec<u8> {
@@ -213,14 +233,6 @@ impl Block for SoundData {
     }
 }
 
-pub struct SoundData {
-    block_type: BlockType,
-    pub size: i32,
-    pub sample_rate: i32,
-    pub codec: Codec,
-    pub data: Vec<u8>,
-}
-
 impl fmt::Debug for SoundData {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_struct("SoundData")
@@ -231,42 +243,14 @@ impl fmt::Debug for SoundData {
     }
 }
 
-impl SoundData {
-    pub fn new(size: i32, sample_rate: i32, codec: Codec, data: Vec<u8>) -> Self {
-        Self {
-            block_type: BlockType::SoundData,
-            size,
-            sample_rate,
-            codec,
-            data,
-        }
-    }
-}
-
 // SoundDataContinuation
 
-impl Block for SoundDataContinuation {
-    fn to_bytes(&self) -> Vec<u8> {
-        let mut result: Vec<u8> = vec![self.block_type as u8];
-        result.extend_from_slice(&self.data);
-        result
-    }
-}
-
 pub struct SoundDataContinuation {
     pub block_type: BlockType,
     pub size: i32,
     pub data: Vec<u8>,
 }
 
-impl fmt::Debug for SoundDataContinuation {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_struct("SoundDataContinuation")
-            .field("size", &self.size)
-            .finish()
-    }
-}
-
 impl SoundDataContinuation {
     pub fn new(size: i32, data: Vec<u8>) -> Self {
         Self {
@@ -277,15 +261,24 @@ impl SoundDataContinuation {
     }
 }
 
-// Silence
-
-impl Block for Silence {
+impl Block for SoundDataContinuation {
     fn to_bytes(&self) -> Vec<u8> {
-        panic!("Not implemented");
-        vec![self.block_type as u8]
+        let mut result: Vec<u8> = vec![self.block_type as u8];
+        result.extend_from_slice(&self.data);
+        result
     }
 }
 
+impl fmt::Debug for SoundDataContinuation {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("SoundDataContinuation")
+            .field("size", &self.size)
+            .finish()
+    }
+}
+
+// Silence
+
 #[derive(Debug)]
 pub struct Silence {
     pub block_type: BlockType,
@@ -294,15 +287,15 @@ pub struct Silence {
     pub length: i16,
 }
 
-// Marker
-
-impl Block for Marker {
+impl Block for Silence {
     fn to_bytes(&self) -> Vec<u8> {
         panic!("Not implemented");
         vec![self.block_type as u8]
     }
 }
 
+// Marker
+
 #[derive(Debug)]
 pub struct Marker {
     block_type: BlockType,
@@ -310,8 +303,21 @@ pub struct Marker {
     value: i16,
 }
 
+impl Block for Marker {
+    fn to_bytes(&self) -> Vec<u8> {
+        panic!("Not implemented");
+        vec![self.block_type as u8]
+    }
+}
+
 // Text
 
+pub struct Text {
+    pub block_type: BlockType,
+    pub size: i32,
+    pub data: Vec<u8>,
+}
+
 impl Block for Text {
     fn to_bytes(&self) -> Vec<u8> {
         let size_bytes: [u8; 4] = self.size.to_le_bytes();
@@ -329,12 +335,6 @@ impl Block for Text {
     }
 }
 
-pub struct Text {
-    pub block_type: BlockType,
-    pub size: i32,
-    pub data: Vec<u8>,
-}
-
 impl fmt::Debug for Text {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_struct("Text")
@@ -345,13 +345,6 @@ impl fmt::Debug for Text {
 
 // RepeatStart
 
-impl Block for RepeatStart {
-    fn to_bytes(&self) -> Vec<u8> {
-        panic!("Not implemented");
-        vec![self.block_type as u8]
-    }
-}
-
 #[derive(Debug)]
 pub struct RepeatStart {
     block_type: BlockType,
@@ -359,17 +352,24 @@ pub struct RepeatStart {
     repeat: i16,
 }
 
+impl Block for RepeatStart {
+    fn to_bytes(&self) -> Vec<u8> {
+        panic!("Not implemented");
+        vec![self.block_type as u8]
+    }
+}
+
 // RepeatEnd
 
+#[derive(Debug)]
+pub struct RepeatEnd {
+    block_type: BlockType,
+    size: i32,
+}
+
 impl Block for RepeatEnd {
     fn to_bytes(&self) -> Vec<u8> {
         panic!("Not implemented");
         vec![self.block_type as u8]
     }
 }
-
-#[derive(Debug)]
-pub struct RepeatEnd {
-    block_type: BlockType,
-    size: i32,
-}