diff --git a/Proj2.hs b/Proj2.hs
index deb4846..67ac910 100644
--- a/Proj2.hs
+++ b/Proj2.hs
@@ -13,6 +13,8 @@ where
 import Data.List
 import Data.Set qualified as S
 
+-- datatypes --
+
 type GameState = [[Pitch]]
 
 data Note = A | B | C | D | E | F | G
@@ -35,6 +37,10 @@ instance Show Octave where
 instance Show Pitch where
   show (Pitch note octave) = show note ++ show octave
 
+--
+
+-- required functions --
+
 toPitch :: String -> Maybe Pitch
 toPitch [note, octave] = Pitch <$> charToNote note <*> charToOctave octave
   where
@@ -83,6 +89,14 @@ initialGuess = (chord, chords)
   where
     chord : chords = allChords
 
+-- implement me
+nextGuess :: ([Pitch], GameState) -> (Int, Int, Int) -> ([Pitch], GameState)
+nextGuess (prevGuess, chord : chords) _ = (chord, chords)
+
+--
+
+-- helper functions --
+
 allChords :: [[Pitch]]
 allChords =
   [ chord
@@ -108,6 +122,4 @@ allOctaves = [minBound .. maxBound]
 allNotes :: [Note]
 allNotes = [minBound .. maxBound]
 
--- implement me
-nextGuess :: ([Pitch], GameState) -> (Int, Int, Int) -> ([Pitch], GameState)
-nextGuess (prevGuess, chord : chords) _ = (chord, chords)
+--