diff --git a/Recursion/LD_24/Code/BestPizzeriaResult.cs b/Recursion/LD_24/Code/BestPizzeriaResult.cs
index 254c811..252eda6 100644
--- a/Recursion/LD_24/Code/BestPizzeriaResult.cs
+++ b/Recursion/LD_24/Code/BestPizzeriaResult.cs
@@ -5,10 +5,22 @@ using System.Web;
 
 namespace LD_24.Code
 {
+    /// <summary>
+    /// Used for keeping the result of path finding
+    /// </summary>
     public class BestPizzeriaResult
     {
+        /// <summary>
+        /// Pizzeria to which every friend will go
+        /// </summary>
         public Point Pizzeria { get; private set; }
+        /// <summary>
+        /// Meeting spot for friends
+        /// </summary>
         public Point MeetingSpot { get; private set; }
+        /// <summary>
+        /// The turn number of steps that will be taken between all friends
+        /// </summary>
         public int Cost { get; private set; }
 
         public BestPizzeriaResult(Point pizzeria, Point meetingSpot, int cost)
@@ -17,5 +29,10 @@ namespace LD_24.Code
             MeetingSpot = meetingSpot;
             Cost = cost;
         }
+
+        public override string ToString()
+        {
+            return String.Format("BestPizzeriaResult{Pizzeria = {0}, MeetingSpot = {1}, Cost = {2}}", Pizzeria, MeetingSpot, Cost);
+        }
     }
-}
\ No newline at end of file
+}
diff --git a/Recursion/LD_24/Code/InOutUtils.cs b/Recursion/LD_24/Code/InOutUtils.cs
index 9e4afcb..ba5159c 100644
--- a/Recursion/LD_24/Code/InOutUtils.cs
+++ b/Recursion/LD_24/Code/InOutUtils.cs
@@ -6,8 +6,17 @@ using System.Web;
 
 namespace LD_24.Code
 {
-    public class InOutUtils
+    /// <summary>
+    /// Functions related to working with files
+    /// </summary>
+    public static class InOutUtils
     {
+        /// <summary>
+        /// Read a map from a file
+        /// </summary>
+        /// <param name="filename">Target file</param>
+        /// <returns>A map loaded from the file</returns>
+        /// <exception cref="Exception">If there was an invalid tile</exception>
         public static Map ReadMap(string filename)
         {
             string[] lines = File.ReadAllLines(filename);
@@ -42,6 +51,11 @@ namespace LD_24.Code
             return map;
         }
 
+        /// <summary>
+        /// Write a map to a file
+        /// </summary>
+        /// <param name="writer">Target file writer</param>
+        /// <param name="map">Target map</param>
         public static void WriteMap(StreamWriter writer, Map map)
         {
             for (int y = 0; y < map.Height; y++)
@@ -74,6 +88,11 @@ namespace LD_24.Code
             }
         }
 
+        /// <summary>
+        /// Write out best pizzeria result to file
+        /// </summary>
+        /// <param name="writer">Target file</param>
+        /// <param name="result">Target result</param>
         public static void WriteBestPizzeriaResult(StreamWriter writer, BestPizzeriaResult result)
         {
             if (result == null)
@@ -88,6 +107,11 @@ namespace LD_24.Code
             }
         }
 
+        /// <summary>
+        /// Write out friend positions to file
+        /// </summary>
+        /// <param name="writer">Target file</param>
+        /// <param name="friends">Target friends list</param>
         public static void WriteFriendPositions(StreamWriter writer, List<Point> friends)
         {
             foreach (var friend in friends)
@@ -96,4 +120,4 @@ namespace LD_24.Code
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/Recursion/LD_24/Code/Map.cs b/Recursion/LD_24/Code/Map.cs
index 4736468..7bb6e9d 100644
--- a/Recursion/LD_24/Code/Map.cs
+++ b/Recursion/LD_24/Code/Map.cs
@@ -1,16 +1,30 @@
-using System;
 using System.Collections.Generic;
-using System.Linq;
-using System.Web;
 
 namespace LD_24.Code
 {
+    /// <summary>
+    /// Class used to store a single map
+    /// </summary>
     public class Map
     {
+        /// <summary>
+        /// Tile map
+        /// </summary>
         MapTile[,] data;
+        /// <summary>
+        /// Map width
+        /// </summary>
         public int Width { get; set; }
+        /// <summary>
+        /// Map height
+        /// </summary>
         public int Height { get; set; }
 
+        /// <summary>
+        /// Create an empty map
+        /// </summary>
+        /// <param name="width">Target width</param>
+        /// <param name="height">Target height</param>
         public Map(int width, int height)
         {
             data = new MapTile[width, height];
@@ -18,21 +32,44 @@ namespace LD_24.Code
             Height = height;
         }
 
+        /// <summary>
+        /// Change a single tile in map
+        /// </summary>
+        /// <param name="x">Target x</param>
+        /// <param name="y">Target y</param>
+        /// <param name="tile">Target tile</param>
         public void Set(int x, int y, MapTile tile)
         {
             data[x, y] = tile;
         }
 
+        /// <summary>
+        /// Retrieve a single tile from map
+        /// </summary>
+        /// <param name="x">Target x</param>
+        /// <param name="y">Target y</param>
+        /// <returns>Tile at target position</returns>
         public MapTile Get(int x, int y)
         {
             return data[x, y];
         }
 
+        /// <summary>
+        /// Check if a position is whithin the bounds of the map
+        /// </summary>
+        /// <param name="x"></param>
+        /// <param name="y"></param>
+        /// <returns></returns>
         public bool IsInBounds(int x, int y)
         {
             return x >= 0 && x < Width && y >= 0 && y < Height;
         }
 
+        /// <summary>
+        /// Find all positions of a certain tile type
+        /// </summary>
+        /// <param name="tile"></param>
+        /// <returns></returns>
         public List<Point> FindAll(MapTile tile)
         {
             List<Point> points = new List<Point>();
@@ -48,5 +85,10 @@ namespace LD_24.Code
             }
             return points;
         }
+
+        public override string ToString()
+        {
+            return string.Format("Map{Width = {0}, Height = {1}}", Width, Height);
+        }
     }
-}
\ No newline at end of file
+}
diff --git a/Recursion/LD_24/Code/MapTile.cs b/Recursion/LD_24/Code/MapTile.cs
index 1cb54bb..3882d8f 100644
--- a/Recursion/LD_24/Code/MapTile.cs
+++ b/Recursion/LD_24/Code/MapTile.cs
@@ -5,6 +5,9 @@ using System.Web;
 
 namespace LD_24.Code
 {
+    /// <summary>
+    /// Enum for storing the type of each tile in a map
+    /// </summary>
     public enum MapTile
     {
         Empty,
@@ -13,4 +16,4 @@ namespace LD_24.Code
         Pizzeria,
         MeetingSpot
     }
-}
\ No newline at end of file
+}
diff --git a/Recursion/LD_24/Code/Point.cs b/Recursion/LD_24/Code/Point.cs
index d9e22f0..4e7bdea 100644
--- a/Recursion/LD_24/Code/Point.cs
+++ b/Recursion/LD_24/Code/Point.cs
@@ -5,9 +5,18 @@ using System.Web;
 
 namespace LD_24.Code
 {
+    /// <summary>
+    /// A simple point class for storing x and y together.
+    /// </summary>
     public class Point
     {
+        /// <summary>
+        /// The x component
+        /// </summary>
         public int X { get; set; }
+        /// <summary>
+        /// The y component
+        /// </summary>
         public int Y { get; set; }
 
         public Point(int x, int y)
@@ -16,6 +25,11 @@ namespace LD_24.Code
             Y = y;
         }
 
+        /// <summary>
+        /// Check if 2 points are the same
+        /// </summary>
+        /// <param name="obj">Other point</param>
+        /// <returns>Are the x and y the same</returns>
         public override bool Equals(object obj)
         {
             return obj is Point point &&
@@ -31,5 +45,9 @@ namespace LD_24.Code
             return hashCode;
         }
 
+        public override string ToString()
+        {
+            return String.Format("Point({0}, {1})", X, Y);
+        }
     }
-}
\ No newline at end of file
+}
diff --git a/Recursion/LD_24/Code/TaskUtils.cs b/Recursion/LD_24/Code/TaskUtils.cs
index 65c6e88..b907b0f 100644
--- a/Recursion/LD_24/Code/TaskUtils.cs
+++ b/Recursion/LD_24/Code/TaskUtils.cs
@@ -6,7 +6,7 @@ using System.Web;
 namespace LD_24.Code
 {
     
-    public class TaskUtils
+    public static class TaskUtils
     {
         public static BestPizzeriaResult FindBestPizzeria(Map map)
         {
@@ -112,4 +112,4 @@ namespace LD_24.Code
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/Recursion/LD_24/Forma1-helper.aspx.cs b/Recursion/LD_24/Forma1-helper.aspx.cs
new file mode 100644
index 0000000..d99a929
--- /dev/null
+++ b/Recursion/LD_24/Forma1-helper.aspx.cs
@@ -0,0 +1,90 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Web;
+using System.Web.UI;
+using System.Web.UI.WebControls;
+
+namespace LD_24
+{
+    public partial class Forma1 : System.Web.UI.Page
+    {
+        /// <summary>
+        /// Put target friends into a bulleted list element
+        /// </summary>
+        /// <param name="list">Target list</param>
+        /// <param name="friends">Target friends</param>
+        private void ShowFriends(BulletedList list, List<Code.Point> friends)
+        {
+            list.Items.Clear();
+            foreach (var friend in friends)
+            {
+                list.Items.Add(String.Format("X = {0}, Y = {1}", friend.X + 1, friend.Y + 1));
+            }
+        }
+
+        /// <summary>
+        /// Put best pizzeria result into a label
+        /// </summary>
+        /// <param name="label">Target label</param>
+        /// <param name="result">Target result</param>
+        private void ShowBestPizzeriaResult(Label label, Code.BestPizzeriaResult result)
+        {
+            if (result == null)
+            {
+                label.Text = "Neįmanoma";
+                return;
+            }
+
+            label.Text = String.Format("Susitikimo vieta (X = {0}, Y = {1})", result.MeetingSpot.X + 1, result.MeetingSpot.Y + 1);
+            label.Text += "<br />";
+            label.Text += String.Format("Picerija (X = {0}, Y = {1})", result.Pizzeria.X + 1, result.Pizzeria.Y + 1);
+            label.Text += "<br />";
+            label.Text += String.Format("Nueita {0}", result.Cost);
+        }
+
+        /// <summary>
+        /// Put a maps tiles into a table
+        /// </summary>
+        /// <param name="table">Target table</param>
+        /// <param name="map">Target map</param>
+        private void ShowMap(Table table, Code.Map map)
+        {
+            table.Rows.Clear();
+            for (int y = 0; y < map.Height; y++)
+            {
+                TableRow row = new TableRow();
+                for (int x = 0; x < map.Width; x++)
+                {
+                    TableCell cell = new TableCell();
+                    cell.Width = 20;
+                    cell.Height = 20;
+                    switch (map.Get(x, y))
+                    {
+                        case Code.MapTile.Empty:
+                            cell.Text = ".";
+                            break;
+                        case Code.MapTile.Pizzeria:
+                            cell.Text = "P";
+                            break;
+                        case Code.MapTile.Friend:
+                            cell.Text = "D";
+                            break;
+                        case Code.MapTile.MeetingSpot:
+                            cell.Text = "S";
+                            break;
+                        case Code.MapTile.Wall:
+                            cell.Text = "X";
+                            break;
+                        default:
+                            cell.Text = "?";
+                            break;
+                    }
+                    row.Cells.Add(cell);
+                }
+                table.Rows.Add(row);
+            }
+        }
+    }
+}
diff --git a/Recursion/LD_24/Forma1.aspx.cs b/Recursion/LD_24/Forma1.aspx.cs
index 83413a2..bb28863 100644
--- a/Recursion/LD_24/Forma1.aspx.cs
+++ b/Recursion/LD_24/Forma1.aspx.cs
@@ -8,12 +8,18 @@ using System.Web.UI.WebControls;
 
 namespace LD_24
 {
+
     public partial class Forma1 : System.Web.UI.Page
     {
         private string inputFilename;
         private string outputFilename;
         private Code.Map map;
 
+        /// <summary>
+        /// Load initial map and show it in the interface
+        /// </summary>
+        /// <param name="sender">Sender element</param>
+        /// <param name="e">Event</param>
         protected void Page_Load(object sender, EventArgs e)
         {
             inputFilename = Server.MapPath(@"App_Data/U3.txt");
@@ -22,7 +28,13 @@ namespace LD_24
             map = Code.InOutUtils.ReadMap(inputFilename);
             ShowMap(Table1, map);
         }
-        
+
+        /// <summary>
+        /// Find which is the best pizzeria, show it in the interface and output the result
+        /// to a file
+        /// </summary>
+        /// <param name="sender">Sender element</param>
+        /// <param name="e">Event</param>
         protected void Button1_Click(object sender, EventArgs e)
         {
             List<Code.Point> friends = map.FindAll(Code.MapTile.Friend);
@@ -43,67 +55,5 @@ namespace LD_24
                 Code.InOutUtils.WriteBestPizzeriaResult(writer, result);
             }
         }
-
-        private void ShowFriends(BulletedList list, List<Code.Point> friends)
-        {
-            list.Items.Clear();
-            foreach (var friend in friends)
-            {
-                list.Items.Add(String.Format("X = {0}, Y = {1}", friend.X + 1, friend.Y + 1));
-            }
-        }
-
-        private void ShowBestPizzeriaResult(Label label, Code.BestPizzeriaResult result)
-        {
-            if (result == null)
-            {
-                label.Text = "Neįmanoma";
-                return;
-            }
-
-            label.Text = String.Format("Susitikimo vieta (X = {0}, Y = {1})", result.MeetingSpot.X + 1, result.MeetingSpot.Y + 1);
-            label.Text += "<br />";
-            label.Text += String.Format("Picerija (X = {0}, Y = {1})", result.Pizzeria.X + 1, result.Pizzeria.Y + 1);
-            label.Text += "<br />";
-            label.Text += String.Format("Nueita {0}", result.Cost);
-        }
-
-        private void ShowMap(Table table, Code.Map map)
-        {
-            table.Rows.Clear();
-            for (int y = 0; y < map.Height; y++)
-            {
-                TableRow row = new TableRow();
-                for (int x = 0; x < map.Width; x++)
-                {
-                    TableCell cell = new TableCell();
-                    cell.Width = 20;
-                    cell.Height = 20;
-                    switch (map.Get(x, y))
-                    {
-                        case Code.MapTile.Empty:
-                            cell.Text = ".";
-                            break;
-                        case Code.MapTile.Pizzeria:
-                            cell.Text = "P";
-                            break;
-                        case Code.MapTile.Friend:
-                            cell.Text = "D";
-                            break;
-                        case Code.MapTile.MeetingSpot:
-                            cell.Text = "S";
-                            break;
-                        case Code.MapTile.Wall:
-                            cell.Text = "X";
-                            break;
-                        default:
-                            cell.Text = "?";
-                            break;
-                    }
-                    row.Cells.Add(cell);
-                }
-                table.Rows.Add(row);
-            }
-        }
     }
-}
\ No newline at end of file
+}
diff --git a/Recursion/LD_24/LD_24.csproj b/Recursion/LD_24/LD_24.csproj
index cd05188..caea5eb 100644
--- a/Recursion/LD_24/LD_24.csproj
+++ b/Recursion/LD_24/LD_24.csproj
@@ -7,13 +7,13 @@
     <ProductVersion>
     </ProductVersion>
     <SchemaVersion>2.0</SchemaVersion>
-    <ProjectGuid>{6AAB1A29-81E1-4A08-A8C3-9C203C684B8F}</ProjectGuid>
+    <ProjectGuid>{4E9466EF-CDF4-4620-B51E-125F5A014A04}</ProjectGuid>
     <ProjectTypeGuids>{349c5851-65df-11da-9384-00065b846f21};{fae04ec0-301f-11d3-bf4b-00c04f79efbc}</ProjectTypeGuids>
     <OutputType>Library</OutputType>
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>LD_24</RootNamespace>
     <AssemblyName>LD_24</AssemblyName>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
     <UseIISExpress>true</UseIISExpress>
     <Use64BitIISExpress />
     <IISExpressSSLPort>
@@ -71,6 +71,11 @@
     <Content Include="App_Data\Rezultatai.txt" />
     <Content Include="App_Data\U3.txt" />
     <Content Include="Forma1.aspx" />
+    <Content Include="interface-scheme.png" />
+    <Content Include="tests\1\inputs\U3.txt" />
+    <Content Include="tests\1\outputs\Rezultatai.txt" />
+    <Content Include="tests\2\inputs\U3.txt" />
+    <Content Include="tests\2\outputs\Rezultatai.txt" />
     <Content Include="Web.config" />
   </ItemGroup>
   <ItemGroup>
@@ -80,6 +85,9 @@
     <Compile Include="Code\MapTile.cs" />
     <Compile Include="Code\Point.cs" />
     <Compile Include="Code\TaskUtils.cs" />
+    <Compile Include="Forma1-helper.aspx.cs">
+      <SubType>ASPXCodeBehind</SubType>
+    </Compile>
     <Compile Include="Forma1.aspx.cs">
       <DependentUpon>Forma1.aspx</DependentUpon>
       <SubType>ASPXCodeBehind</SubType>
@@ -98,7 +106,6 @@
       <DependentUpon>Web.config</DependentUpon>
     </None>
   </ItemGroup>
-  <ItemGroup />
   <PropertyGroup>
     <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">10.0</VisualStudioVersion>
     <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
@@ -112,9 +119,9 @@
         <WebProjectProperties>
           <UseIIS>True</UseIIS>
           <AutoAssignPort>True</AutoAssignPort>
-          <DevelopmentServerPort>57614</DevelopmentServerPort>
+          <DevelopmentServerPort>51983</DevelopmentServerPort>
           <DevelopmentServerVPath>/</DevelopmentServerVPath>
-          <IISUrl>http://localhost:44363/</IISUrl>
+          <IISUrl>http://localhost:44364/</IISUrl>
           <NTLMAuthentication>False</NTLMAuthentication>
           <UseCustomServer>False</UseCustomServer>
           <CustomServerUrl>
diff --git a/Recursion/LD_24/Properties/AssemblyInfo.cs b/Recursion/LD_24/Properties/AssemblyInfo.cs
index bf445ad..077fd0f 100644
--- a/Recursion/LD_24/Properties/AssemblyInfo.cs
+++ b/Recursion/LD_24/Properties/AssemblyInfo.cs
@@ -20,7 +20,7 @@ using System.Runtime.InteropServices;
 [assembly: ComVisible(false)]
 
 // The following GUID is for the ID of the typelib if this project is exposed to COM
-[assembly: Guid("6aab1a29-81e1-4a08-a8c3-9c203c684b8f")]
+[assembly: Guid("4e9466ef-cdf4-4620-b51e-125f5a014a04")]
 
 // Version information for an assembly consists of the following four values:
 //
diff --git a/Recursion/LD_24/Web.config b/Recursion/LD_24/Web.config
index 2d1c85e..a190051 100644
--- a/Recursion/LD_24/Web.config
+++ b/Recursion/LD_24/Web.config
@@ -5,8 +5,8 @@
   -->
 <configuration>
   <system.web>
-    <compilation debug="true" targetFramework="4.7.2" />
-    <httpRuntime targetFramework="4.7.2" />
+    <compilation debug="true" targetFramework="4.8" />
+    <httpRuntime targetFramework="4.8" />
 	<globalization fileEncoding="utf-8" />
   </system.web>
   <system.codedom>
@@ -15,4 +15,4 @@
       <compiler language="vb;vbs;visualbasic;vbscript" extension=".vb" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.VBCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=2.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:default /nowarn:41008 /define:_MYTYPE=\&quot;Web\&quot; /optionInfer+" />
     </compilers>
   </system.codedom>
-</configuration>
\ No newline at end of file
+</configuration>
diff --git a/Recursion/LD_24/packages.config b/Recursion/LD_24/packages.config
index 55d586f..96a3cec 100644
--- a/Recursion/LD_24/packages.config
+++ b/Recursion/LD_24/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="2.0.1" targetFramework="net472" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="2.0.1" targetFramework="net48" />
 </packages>
\ No newline at end of file
diff --git a/Recursion/Recursion.sln b/Recursion/Recursion.sln
index 138946f..b9146af 100644
--- a/Recursion/Recursion.sln
+++ b/Recursion/Recursion.sln
@@ -3,7 +3,7 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.1.32210.238
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LD_24", "LD_24\LD_24.csproj", "{6AAB1A29-81E1-4A08-A8C3-9C203C684B8F}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LD_24", "LD_24\LD_24.csproj", "{4E9466EF-CDF4-4620-B51E-125F5A014A04}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -11,10 +11,10 @@ Global
 		Release|Any CPU = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{6AAB1A29-81E1-4A08-A8C3-9C203C684B8F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{6AAB1A29-81E1-4A08-A8C3-9C203C684B8F}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{6AAB1A29-81E1-4A08-A8C3-9C203C684B8F}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{6AAB1A29-81E1-4A08-A8C3-9C203C684B8F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{4E9466EF-CDF4-4620-B51E-125F5A014A04}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4E9466EF-CDF4-4620-B51E-125F5A014A04}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4E9466EF-CDF4-4620-B51E-125F5A014A04}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4E9466EF-CDF4-4620-B51E-125F5A014A04}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE