diff --git a/1FundamentalGroup/Preambles/P2.agda b/1FundamentalGroup/Preambles/P2.agda
index 30fa264..d26c358 100644
--- a/1FundamentalGroup/Preambles/P2.agda
+++ b/1FundamentalGroup/Preambles/P2.agda
@@ -5,4 +5,4 @@ open import Cubical.Data.Int using (ℤ ; pos ; negsuc ; -_) public
 open import Cubical.Foundations.Isomorphism public
 open import Cubical.Foundations.Prelude renaming (subst to endPt) public
 open import Cubical.HITs.S1 using (S¹ ; base ; loop) public
-open import 1FundamentalGroup.Quest1 public
+open import 1FundamentalGroup.Quest1Solutions public
diff --git a/1FundamentalGroup/Quest0Solutions.agda b/1FundamentalGroup/Quest0Solutions.agda
index 2a85daf..26b6170 100644
--- a/1FundamentalGroup/Quest0Solutions.agda
+++ b/1FundamentalGroup/Quest0Solutions.agda
@@ -1,12 +1,6 @@
+-- ignore
 module 1FundamentalGroup.Quest0Solutions where
-
-open import Cubical.Data.Empty
-open import Cubical.Data.Unit renaming ( Unit to ⊤ )
-open import Cubical.Data.Bool
-open import Cubical.Foundations.Prelude renaming ( subst to endPt )
-open import Cubical.Foundations.Isomorphism renaming ( Iso to _≅_ )
-open import Cubical.Foundations.Path
-open import Cubical.HITs.S1
+open import 1FundamentalGroup.Preambles.P0
 
 Refl : base ≡ base
 Refl = λ i → base
diff --git a/1FundamentalGroup/Quest2.agda b/1FundamentalGroup/Quest2.agda
index b6adab1..d33d069 100644
--- a/1FundamentalGroup/Quest2.agda
+++ b/1FundamentalGroup/Quest2.agda
@@ -2,40 +2,27 @@
 module 1FundamentalGroup.Quest2 where
 open import 1FundamentalGroup.Preambles.P2
 
-sucℤ : ℤ → ℤ
-sucℤ (pos n) = pos (suc n)
-sucℤ (negsuc zero) = pos zero
-sucℤ (negsuc (suc n)) = negsuc n
+{-
+The definition of sucℤ goes here.
+-}
 
-predℤ : ℤ → ℤ
-predℤ (pos zero) = negsuc zero
-predℤ (pos (suc n)) = pos n
-predℤ (negsuc n) = negsuc (suc n)
+{-
+The definition of predℤ goes here.
+-}
 
-sucℤIso : Iso ℤ ℤ
-sucℤIso = iso sucℤ predℤ s r where
+{-
+The definition of sucℤIso goes here.
+-}
 
-  s : section sucℤ predℤ
-  s (pos zero) = refl
-  s (pos (suc n)) = refl
-  s (negsuc zero) = refl
-  s (negsuc (suc n)) = refl
-
-  r : retract sucℤ predℤ
-  r (pos zero) = refl
-  r (pos (suc n)) = refl
-  r (negsuc zero) = refl
-  r (negsuc (suc n)) = refl
-
-sucℤPath : ℤ ≡ ℤ
-sucℤPath = isoToPath sucℤIso
+{-
+The definition of sucℤPath goes here.
+-}
 
 helix : S¹ → Type
-helix base = ℤ
-helix (loop i) = sucℤPath i
+helix = {!!}
 
 spinCountBase : base ≡ base → ℤ
-spinCountBase p = endPt helix p (pos zero)
+spinCountBase = ?
 
 spinCount : (x : S¹) → base ≡ x → helix x
-spinCount x p = endPt helix p (pos zero)
+spinCount = ?
diff --git a/1FundamentalGroup/Quest2Solutions.agda b/1FundamentalGroup/Quest2Solutions.agda
new file mode 100644
index 0000000..7c2dc54
--- /dev/null
+++ b/1FundamentalGroup/Quest2Solutions.agda
@@ -0,0 +1,41 @@
+-- ignore
+module 1FundamentalGroup.Quest2Solutions where
+open import 1FundamentalGroup.Preambles.P2
+
+sucℤ : ℤ → ℤ
+sucℤ (pos n) = pos (suc n)
+sucℤ (negsuc zero) = pos zero
+sucℤ (negsuc (suc n)) = negsuc n
+
+predℤ : ℤ → ℤ
+predℤ (pos zero) = negsuc zero
+predℤ (pos (suc n)) = pos n
+predℤ (negsuc n) = negsuc (suc n)
+
+sucℤIso : Iso ℤ ℤ
+sucℤIso = iso sucℤ predℤ s r where
+
+  s : section sucℤ predℤ
+  s (pos zero) = refl
+  s (pos (suc n)) = refl
+  s (negsuc zero) = refl
+  s (negsuc (suc n)) = refl
+
+  r : retract sucℤ predℤ
+  r (pos zero) = refl
+  r (pos (suc n)) = refl
+  r (negsuc zero) = refl
+  r (negsuc (suc n)) = refl
+
+sucℤPath : ℤ ≡ ℤ
+sucℤPath = isoToPath sucℤIso
+
+helix : S¹ → Type
+helix base = ℤ
+helix (loop i) = sucℤPath i
+
+spinCountBase : base ≡ base → ℤ
+spinCountBase p = endPt helix p (pos zero)
+
+spinCount : (x : S¹) → base ≡ x → helix x
+spinCount x p = endPt helix p (pos zero)
diff --git a/_build/2.6.2/agda/1FundamentalGroup/Preambles/P2.agdai b/_build/2.6.2/agda/1FundamentalGroup/Preambles/P2.agdai
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diff --git a/_build/2.6.2/agda/1FundamentalGroup/Quest0Solutions.agdai b/_build/2.6.2/agda/1FundamentalGroup/Quest0Solutions.agdai
index 88594b3..19ec25a 100644
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diff --git a/_build/2.6.2/agda/1FundamentalGroup/Quest2.agdai b/_build/2.6.2/agda/1FundamentalGroup/Quest2.agdai
index 7aefc71..7284c34 100644
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diff --git a/_build/2.6.2/agda/1FundamentalGroup/Quest2Solutions.agdai b/_build/2.6.2/agda/1FundamentalGroup/Quest2Solutions.agdai
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index 0000000..17bcb36
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