diff --git a/11/CosmicExpansion.Tests/GlobalUsings.cs b/11/CosmicExpansion.Tests/GlobalUsings.cs
index 7fef4b0..2d5b473 100644
--- a/11/CosmicExpansion.Tests/GlobalUsings.cs
+++ b/11/CosmicExpansion.Tests/GlobalUsings.cs
@@ -1,2 +1,3 @@
+global using FluentAssertions;
+
 global using Xunit;
-global using FluentAssertions;
\ No newline at end of file
diff --git a/12/HotSprings.Tests/GlobalUsings.cs b/12/HotSprings.Tests/GlobalUsings.cs
index 7fef4b0..2d5b473 100644
--- a/12/HotSprings.Tests/GlobalUsings.cs
+++ b/12/HotSprings.Tests/GlobalUsings.cs
@@ -1,2 +1,3 @@
+global using FluentAssertions;
+
 global using Xunit;
-global using FluentAssertions;
\ No newline at end of file
diff --git a/12/HotSprings/Program.cs b/12/HotSprings/Program.cs
index c41a588..83bf898 100644
--- a/12/HotSprings/Program.cs
+++ b/12/HotSprings/Program.cs
@@ -177,23 +177,23 @@ public class Condition(
     if (unfold)
     {
       springs = [
-        ..springs,
+        .. springs,
         SpringCondition.Unknown,
-        ..springs,
+        .. springs,
         SpringCondition.Unknown,
-        ..springs,
+        .. springs,
         SpringCondition.Unknown,
-        ..springs,
+        .. springs,
         SpringCondition.Unknown,
-        ..springs,
+        .. springs,
       ];
 
       contiguousGroupSizes = [
-        ..contiguousGroupSizes,
-        ..contiguousGroupSizes,
-        ..contiguousGroupSizes,
-        ..contiguousGroupSizes,
-        ..contiguousGroupSizes,
+        .. contiguousGroupSizes,
+        .. contiguousGroupSizes,
+        .. contiguousGroupSizes,
+        .. contiguousGroupSizes,
+        .. contiguousGroupSizes,
       ];
     }
 
diff --git a/13/PointOfIncidence.Tests/GlobalUsings.cs b/13/PointOfIncidence.Tests/GlobalUsings.cs
index 7fef4b0..2d5b473 100644
--- a/13/PointOfIncidence.Tests/GlobalUsings.cs
+++ b/13/PointOfIncidence.Tests/GlobalUsings.cs
@@ -1,2 +1,3 @@
+global using FluentAssertions;
+
 global using Xunit;
-global using FluentAssertions;
\ No newline at end of file