diff --git a/.idea/.idea.AdventOfCode/.idea/dictionaries/var.xml b/.idea/.idea.AdventOfCode/.idea/dictionaries/var.xml
new file mode 100644
index 0000000..0df5fd8
--- /dev/null
+++ b/.idea/.idea.AdventOfCode/.idea/dictionaries/var.xml
@@ -0,0 +1,3 @@
+<component name="ProjectDictionaryState">
+  <dictionary name="var" />
+</component>
\ No newline at end of file
diff --git a/AdventOfCode.sln.DotSettings b/AdventOfCode.sln.DotSettings
index 6ea329a..e4371b1 100644
--- a/AdventOfCode.sln.DotSettings
+++ b/AdventOfCode.sln.DotSettings
@@ -6,9 +6,12 @@
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=VY/@EntryIndexedValue">VY</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/PredefinedNamingRules/=Locals/@EntryIndexedValue">&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb_AaBb" /&gt;</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/PredefinedNamingRules/=TypesAndNamespaces/@EntryIndexedValue">&lt;Policy Inspect="True" Prefix="" Suffix="" Style="AaBb_AaBb" /&gt;</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/UserRules/=61a991a4_002Dd0a3_002D4d19_002D90a5_002Df8f4d75c30c1/@EntryIndexedValue">&lt;Policy&gt;&lt;Descriptor Staticness="Any" AccessRightKinds="Any" Description="Local variables"&gt;&lt;ElementKinds&gt;&lt;Kind Name="LOCAL_VARIABLE" /&gt;&lt;/ElementKinds&gt;&lt;/Descriptor&gt;&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb_AaBb" /&gt;&lt;/Policy&gt;</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/UserRules/=a0b4bc4d_002Dd13b_002D4a37_002Db37e_002Dc9c6864e4302/@EntryIndexedValue">&lt;Policy&gt;&lt;Descriptor Staticness="Any" AccessRightKinds="Any" Description="Types and namespaces"&gt;&lt;ElementKinds&gt;&lt;Kind Name="NAMESPACE" /&gt;&lt;Kind Name="CLASS" /&gt;&lt;Kind Name="STRUCT" /&gt;&lt;Kind Name="ENUM" /&gt;&lt;Kind Name="DELEGATE" /&gt;&lt;/ElementKinds&gt;&lt;/Descriptor&gt;&lt;Policy Inspect="True" Prefix="" Suffix="" Style="AaBb_AaBb" /&gt;&lt;/Policy&gt;</s:String>
 	<s:Boolean x:Key="/Default/Environment/Filtering/ExcludeCoverageFilters/=AdventOfCode_002A_002ETests_003B_002A_003B_002A_003B_002A/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/Environment/Filtering/ExcludeCoverageFilters/=AdventOfCode_002ECommon_003B_002A_003B_002A_003B_002A/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/Environment/Filtering/ExcludeCoverageFilters/=_002A_003B_002A_003BProgram_003B_002A/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ESettingsUpgrade_002EPredefinedNamingRulesToUserRulesUpgrade/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Chrono/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Extrapolator/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=extrapolators/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>
\ No newline at end of file