diff --git a/.github/workflows/generate-and-upload.yml b/.github/workflows/generate-and-upload.yml
index 67fac49..3cde591 100644
--- a/.github/workflows/generate-and-upload.yml
+++ b/.github/workflows/generate-and-upload.yml
@@ -16,6 +16,8 @@ on:
       - 'L2/LD_24/**'
       - 'L3/LD_24/**'
       - 'L3/LD_24Tests/**'
+      - 'L4/LD_24/**'
+      - 'L4/LD_24Tests/**'
 
 jobs:
   generate-and-upload:
@@ -24,7 +26,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Generate report
-      uses: RokasPuzonas/ktu-oop-report-generator@v2.0.8
+      uses: RokasPuzonas/ktu-oop-report-generator@v2.0.9
       with:
         dotnet-version: ${{ env.DOTNET_VERSION }}
         config-filename: ${{ env.CONFIG_FILENAME }}
diff --git a/L4/LD_24/App_Data/Actors1.txt b/L4/LD_24/App_Data/Actors1.txt
index 2a02e69..56fe628 100644
--- a/L4/LD_24/App_Data/Actors1.txt
+++ b/L4/LD_24/App_Data/Actors1.txt
@@ -1,5 +1,7 @@
-Orc
-Amandatown
-Mercedes;Warrior;24;18;13;17;Cummings, Lehner and Wilkinson
-Kelvin;Warrior;5;4;17;11;Waelchi, Kulas and Bruen
-Domenico;Archer;24;10;3;25;Jacobi Group
+Elf
+Konopelskitown
+Gail;Mage;6;23;24;17;Hand, Cummerata and Wolff
+Garret;Mage;5;11;1;10;13;22;14;4
+Maybelle;Hunter;21;11;25;17;24;25;5;5
+Amy;Warrior;11;5;13;15;12;4;3;23
+Natalie;Warrior;18;23;25;14;West Inc
diff --git a/L4/LD_24/App_Data/Actors2.txt b/L4/LD_24/App_Data/Actors2.txt
index 3b706d3..0c9c442 100644
--- a/L4/LD_24/App_Data/Actors2.txt
+++ b/L4/LD_24/App_Data/Actors2.txt
@@ -1,12 +1,5 @@
-Halfling
-Leifberg
-Clare;Warrior;17;2;7;23;14;23;19;6
-Drake;Hunter;10;15;18;3;Will - Yost
-Mike;Necromancer;18;24;3;11;23;11;22;9
-Cathryn;Warrior;20;1;14;9;2;22;6;18
-Tobin;Necromancer;12;14;21;18;Hermann, Cole and Gislason
-Yasmine;Archer;6;24;3;4;O'Keefe and Sons
-Shanna;Necromancer;3;5;15;14;Mraz, Jenkins and Bosco
-Otha;Warrior;24;22;13;15;2;13;17;13
-Cletus;Necromancer;4;8;20;16;Moen - Roberts
-Katelynn;Hunter;2;24;9;9;Feil Inc
+Elf
+Port Sierraton
+Lyla;Archer;5;10;5;21;Crona - Abshire
+Ruthe;Necromancer;7;21;11;10;McDermott, Satterfield and Reichel
+Berneice;Mage;6;23;23;6;Sawayn - Kovacek
diff --git a/L4/LD_24/App_Data/Actors3.txt b/L4/LD_24/App_Data/Actors3.txt
index 8af34a3..9101fc9 100644
--- a/L4/LD_24/App_Data/Actors3.txt
+++ b/L4/LD_24/App_Data/Actors3.txt
@@ -1,6 +1,7 @@
-Fairy
-Celestineville
-Alec;Hunter;20;14;13;4;9;6;21;23
-Summer;Warrior;6;11;23;7;19;12;19;24
-Rylan;Archer;13;17;23;20;10;10;17;7
-Gisselle;Warrior;11;10;11;5;6;16;6;12
+Orc
+North Anastacio
+Will;Mage;18;24;21;3;25;17;4;21
+Brennan;Mage;2;5;4;8;Lindgren, Spinka and Walsh
+Jannie;Hunter;15;5;25;10;Kub - Flatley
+Nicolette;Archer;11;9;3;17;16;10;18;15
+Noe;Warrior;3;7;14;16;Bradtke, Deckow and Larson
diff --git a/L4/LD_24/App_Data/Klasės.csv b/L4/LD_24/App_Data/Klasės.csv
index bbc2a53..91aa36a 100644
--- a/L4/LD_24/App_Data/Klasės.csv
+++ b/L4/LD_24/App_Data/Klasės.csv
@@ -1,4 +1,5 @@
-Warrior
-Archer
+Mage
 Hunter
+Warrior
+Archer
 Necromancer
diff --git a/L4/LD_24/App_Data/Riktine.csv b/L4/LD_24/App_Data/Riktine.csv
index 77ad195..e3ce63c 100644
--- a/L4/LD_24/App_Data/Riktine.csv
+++ b/L4/LD_24/App_Data/Riktine.csv
@@ -1,8 +1,2 @@
-Halfling;Leifberg;Clare;Warrior;17;2;7;23;14;23;19;6
-Fairy;Celestineville;Summer;Warrior;6;11;23;7;19;12;19;24
-Fairy;Celestineville;Alec;Hunter;20;14;13;4;9;6;21;23
-Halfling;Leifberg;Mike;Necromancer;18;24;3;11;23;11;22;9
-Orc;Amandatown;Domenico;Archer;24;10;3;25;Jacobi Group
-Halfling;Leifberg;Yasmine;Archer;6;24;3;4;O'Keefe and Sons
-Halfling;Leifberg;Katelynn;Hunter;2;24;9;9;Feil Inc
-Orc;Amandatown;Mercedes;Warrior;24;18;13;17;Cummings, Lehner and Wilkinson
+Orc;North Anastacio;Brennan;Mage;2;5;4;8;Lindgren, Spinka and Walsh
+Elf;Port Sierraton;Lyla;Archer;5;10;5;21;Crona - Abshire
diff --git a/L4/LD_24/App_Data/Trūkstami.csv b/L4/LD_24/App_Data/Trūkstami.csv
index 1d684be..c65238f 100644
--- a/L4/LD_24/App_Data/Trūkstami.csv
+++ b/L4/LD_24/App_Data/Trūkstami.csv
@@ -1,2 +1,2 @@
-Orc
-Fairy
+
+
diff --git a/L4/LD_24/Code/Actor.cs b/L4/LD_24/Code/Actor.cs
index 9f94814..651d80b 100644
--- a/L4/LD_24/Code/Actor.cs
+++ b/L4/LD_24/Code/Actor.cs
@@ -5,15 +5,42 @@ using System.Web;
 
 namespace LD_24.Code
 {
+    /// <summary>
+    /// Abstract actor class
+    /// </summary>
     public abstract class Actor
     {
+        /// <summary>
+        /// Race of actor
+        /// </summary>
         public string Race { get; set; }
+        /// <summary>
+        /// Starting town of actor
+        /// </summary>
         public string StartingTown { get; set; }
+        /// <summary>
+        /// Name of actor
+        /// </summary>
         public string Name { get; set; }
+        /// <summary>
+        /// Class of actor
+        /// </summary>
         public string Class { get; set; }
+        /// <summary>
+        /// Health points of actor
+        /// </summary>
         public int Health { get; set; }
+        /// <summary>
+        /// Mana points of actor
+        /// </summary>
         public int Mana { get; set; }
+        /// <summary>
+        /// Attack points of actor
+        /// </summary>
         public int Attack { get; set; }
+        /// <summary>
+        /// Defense points of actor
+        /// </summary>
         public int Defense { get; set; }
 
         public Actor(string race, string startingTown, string name, string @class, int health, int mana, int attack, int defense)
@@ -28,6 +55,10 @@ namespace LD_24.Code
             Defense = defense;
         }
 
+        /// <summary>
+        /// Serialize an actor into a valid CSV line
+        /// </summary>
+        /// <returns>A string representing the whole actor</returns>
         public abstract string ToCSVLine();
     }
 }
\ No newline at end of file
diff --git a/L4/LD_24/Code/Hero.cs b/L4/LD_24/Code/Hero.cs
index ada81ef..29bc885 100644
--- a/L4/LD_24/Code/Hero.cs
+++ b/L4/LD_24/Code/Hero.cs
@@ -5,11 +5,26 @@ using System.Web;
 
 namespace LD_24.Code
 {
+    /// <summary>
+    /// Class for a single hero
+    /// </summary>
     public class Hero : Actor, IComparable<Hero>, IEquatable<Hero>
     {
+        /// <summary>
+        /// Power points of hero
+        /// </summary>
         public int Power { get; set; }
+        /// <summary>
+        /// Agility points of hero
+        /// </summary>
         public int Agility { get; set; }
+        /// <summary>
+        /// Intellect points of hero
+        /// </summary>
         public int Intellect { get; set; }
+        /// <summary>
+        /// Special points of hero
+        /// </summary>
         public int Special { get; set; }
 
         public Hero(string race, string startingTown, string name, string @class, int health, int mana, int attack, int defense, int power, int agility, int intellect, int special) : base(race, startingTown, name, @class, health, mana, attack, defense)
@@ -20,16 +35,30 @@ namespace LD_24.Code
             Special = special;
         }
 
+        /// <summary>
+        /// Compare hero to hero by intellect
+        /// </summary>
+        /// <param name="other"></param>
+        /// <returns></returns>
         public int CompareTo(Hero other)
         {
             return Intellect.CompareTo(other.Intellect);
         }
 
+        /// <summary>
+        /// Check if 2 heros have the same intellect
+        /// </summary>
+        /// <param name="other"></param>
+        /// <returns></returns>
         public bool Equals(Hero other)
         {
             return Intellect.Equals(other.Intellect);
         }
 
+        /// <summary>
+        /// Serialize a hero to a CSV line
+        /// </summary>
+        /// <returns></returns>
         public override string ToCSVLine()
         {
             return string.Join(";", Race, StartingTown, Name, Class, Health, Mana, Attack, Defense, Power, Agility, Intellect, Special);
diff --git a/L4/LD_24/Code/InOutUtils.cs b/L4/LD_24/Code/InOutUtils.cs
index b424f0a..d5a1d33 100644
--- a/L4/LD_24/Code/InOutUtils.cs
+++ b/L4/LD_24/Code/InOutUtils.cs
@@ -9,12 +9,20 @@ using System.Text;
 
 namespace LD_24.Code
 {
+    /// <summary>
+    /// Utility class for reading/writing to files
+    /// </summary>
     public static class InOutUtils
     {
         private static readonly List<string> Races = new List<string> { "Human", "Orc", "Elf", "Dwarf", "Fairy", "Halfling" };
         private static readonly List<string> Classess = new List<string> { "Warrior", "Hunter", "Archer", "Mage", "Necromancer" };
         private static readonly Faker faker = new Faker();
 
+        /// <summary>
+        /// Read line by lines from a file
+        /// </summary>
+        /// <param name="filename">Target file</param>
+        /// <returns>Lines</returns>
         public static IEnumerable<string> ReadLines(string filename)
         {
             using (var reader = new StreamReader(filename))
@@ -31,6 +39,12 @@ namespace LD_24.Code
             }
         }
 
+        /// <summary>
+        /// Read actors from a file
+        /// </summary>
+        /// <param name="filename">Target file</param>
+        /// <returns>A list of actors</returns>
+        /// <exception cref="Exception">Throws if a given line in a file is incorrect</exception>
         public static List<Actor> ReadActors(string filename)
         {
             var actors = new List<Actor>();
@@ -68,13 +82,17 @@ namespace LD_24.Code
             return actors;
         }
 
+        /// <summary>
+        /// Generate file with actors
+        /// </summary>
+        /// <param name="filename">Target file</param>
         public static void GenerateFakeActors(string filename)
         {
             using (var writer = new StreamWriter(filename))
             {
                 writer.WriteLine(faker.PickRandom(Races));
                 writer.WriteLine(faker.Address.City());
-                int count = faker.Random.Number(2, 10);
+                int count = faker.Random.Number(1, 5);
                 for (int i = 0; i < count; i++)
                 {
                     string name = faker.Name.FirstName();
@@ -100,6 +118,13 @@ namespace LD_24.Code
             }
         }
 
+        /// <summary>
+        /// Read all files from a directory that have actors
+        /// </summary>
+        /// <param name="directory"></param>
+        /// <param name="pattern"></param>
+        /// <returns></returns>
+        /// <exception cref="Exception"></exception>
         public static List<Actor> ReadActorsDir(string directory, string pattern = "*.txt")
         {
             if (!Directory.Exists(directory))
@@ -114,6 +139,11 @@ namespace LD_24.Code
             return merged;
         }
 
+        /// <summary>
+        /// Writes a list of classes to a file
+        /// </summary>
+        /// <param name="filename">Target file</param>
+        /// <param name="classes">Target classes</param>
         public static void PrintClassesCSV(string filename, List<string> classes)
         {
             using (var writer = new StreamWriter(filename, false, Encoding.UTF8))
@@ -125,6 +155,11 @@ namespace LD_24.Code
             }
         }
 
+        /// <summary>
+        /// Prints missing actors to a file
+        /// </summary>
+        /// <param name="filename">Target file</param>
+        /// <param name="missingActors">Missing actor race names</param>
         public static void PrintMissingActors(string filename, Tuple<List<string>, List<string>> missingActors)
         {
             using (var writer = new StreamWriter(filename, false, Encoding.UTF8))
@@ -134,6 +169,11 @@ namespace LD_24.Code
             }
         }
 
+        /// <summary>
+        /// Prints a team of actors to a file
+        /// </summary>
+        /// <param name="filename">Target file</param>
+        /// <param name="team">Target actors</param>
         public static void PrintTeam(string filename, List<Actor> team)
         {
             using (var writer = new StreamWriter(filename, false, Encoding.UTF8))
diff --git a/L4/LD_24/Code/NPC.cs b/L4/LD_24/Code/NPC.cs
index e0d37f4..2d33b94 100644
--- a/L4/LD_24/Code/NPC.cs
+++ b/L4/LD_24/Code/NPC.cs
@@ -5,8 +5,14 @@ using System.Web;
 
 namespace LD_24.Code
 {
+    /// <summary>
+    /// Class for storing a single NPC
+    /// </summary>
     public class NPC : Actor, IComparable<NPC>, IEquatable<NPC>
     {
+        /// <summary>
+        /// blah blah blah blah
+        /// </summary>
         public string Guild { get; set; }
 
         public NPC(string race, string startingTown, string name, string @class, int health, int mana, int attack, int defense, string guild) : base(race, startingTown, name, @class, health, mana, attack, defense)
@@ -14,16 +20,30 @@ namespace LD_24.Code
             Guild = guild;
         }
 
+        /// <summary>
+        /// blah blah
+        /// </summary>
+        /// <param name="other"></param>
+        /// <returns></returns>
         public int CompareTo(NPC other)
         {
             return Attack.CompareTo(other.Attack);
         }
 
+        /// <summary>
+        /// blah blah blah
+        /// </summary>
+        /// <param name="other"></param>
+        /// <returns></returns>
         public bool Equals(NPC other)
         {
             return Attack.Equals(other.Attack);
         }
 
+        /// <summary>
+        /// blah blah?
+        /// </summary>
+        /// <returns></returns>
         public override string ToCSVLine()
         {
             return string.Join(";", Race, StartingTown, Name, Class, Health, Mana, Attack, Defense, Guild);
diff --git a/L4/LD_24/Code/TaskUtils.cs b/L4/LD_24/Code/TaskUtils.cs
index f22742e..aea4e5d 100644
--- a/L4/LD_24/Code/TaskUtils.cs
+++ b/L4/LD_24/Code/TaskUtils.cs
@@ -5,8 +5,16 @@ using System.Web;
 
 namespace LD_24.Code
 {
+    /// <summary>
+    /// Utility class for storing unrelated methods
+    /// </summary>
     public static class TaskUtils
     {
+        /// <summary>
+        /// Find the actors which have the most health by class
+        /// </summary>
+        /// <param name="actors"></param>
+        /// <returns></returns>
         public static Dictionary<string, int> FindMostHealthByClass(List<Actor> actors)
         {
             Dictionary<string, int> mostHealth = new Dictionary<string, int>();
@@ -23,6 +31,11 @@ namespace LD_24.Code
             return mostHealth;
         }
 
+        /// <summary>
+        /// Find all unique classes from a list of actors
+        /// </summary>
+        /// <param name="actors"></param>
+        /// <returns></returns>
         public static List<string> FindAllClasses(List<Actor> actors)
         {
             List<string> result = new List<string>();
@@ -36,6 +49,11 @@ namespace LD_24.Code
             return result;
         }
 
+        /// <summary>
+        /// Find all unique races from a list of actors
+        /// </summary>
+        /// <param name="actors"></param>
+        /// <returns></returns>
         public static List<string> FindAllRaces(List<Actor> actors)
         {
             List<string> races = new List<string>();
@@ -49,6 +67,11 @@ namespace LD_24.Code
             return races;
         }
 
+        /// <summary>
+        /// Finds which races are missing an NPC or Hero
+        /// </summary>
+        /// <param name="actors"></param>
+        /// <returns>A tuple where Item1 is missing Heros, and Item2 is missing NPCs</returns>
         public static Tuple<List<string>, List<string>> FindMissingActors(List<Actor> actors)
         {
             var races = FindAllRaces(actors);
@@ -68,6 +91,11 @@ namespace LD_24.Code
             return Tuple.Create(missingHeroes, missingNPCs);
         }
 
+        /// <summary>
+        /// Find the actors which have the most health in their respective classes
+        /// </summary>
+        /// <param name="actors"></param>
+        /// <returns></returns>
         public static List<Actor> FilterMostHealthByClass(List<Actor> actors)
         {
             List<Actor> filtered = new List<Actor>();
@@ -82,6 +110,12 @@ namespace LD_24.Code
             return filtered;
         }
 
+        /// <summary>
+        /// Filter out heros which, don't meet the min intellect (exclusively)
+        /// </summary>
+        /// <param name="actors"></param>
+        /// <param name="minIntellect"></param>
+        /// <returns></returns>
         public static List<Hero> FilterHeroesByIntellect(List<Actor> actors, int minIntellect)
         {
             List<Hero> filtered = new List<Hero>();
@@ -95,6 +129,12 @@ namespace LD_24.Code
             return filtered;
         }
 
+        /// <summary>
+        /// Filter out NPC which, don't meet the max attack (exclusively)
+        /// </summary>
+        /// <param name="actors"></param>
+        /// <param name="maxAttack"></param>
+        /// <returns></returns>
         public static List<NPC> FilterNPCsByAttack(List<Actor> actors, int maxAttack)
         {
             List<NPC> filtered = new List<NPC>();
diff --git a/L4/LD_24/Forma1.aspx.cs b/L4/LD_24/Forma1.aspx.cs
index 898b3f7..1b2897c 100644
--- a/L4/LD_24/Forma1.aspx.cs
+++ b/L4/LD_24/Forma1.aspx.cs
@@ -10,6 +10,9 @@ using System.Diagnostics;
 
 namespace LD_24
 {
+    /// <summary>
+    /// Main Form
+    /// </summary>
     public partial class Forma1 : System.Web.UI.Page
     {
         private List<Actor> actors = null;
diff --git a/L4/LD_24/Forma1Utils.cs b/L4/LD_24/Forma1Utils.cs
index d07ce12..9732e60 100644
--- a/L4/LD_24/Forma1Utils.cs
+++ b/L4/LD_24/Forma1Utils.cs
@@ -9,7 +9,15 @@ namespace LD_24
 {
     public partial class Forma1 : System.Web.UI.Page
     {
-        public static IEnumerable<Tuple<T, TableRow>> ShowTable<T>(Table table, IEnumerable<T> list, params string[] columns)
+        /// <summary>
+        /// Show a table to the Web UI
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="table"></param>
+        /// <param name="list"></param>
+        /// <param name="columns"></param>
+        /// <returns></returns>
+        public static IEnumerable<Tuple<T, TableCellCollection>> ShowTable<T>(Table table, IEnumerable<T> list, params string[] columns)
         {
             TableHeaderRow header = new TableHeaderRow();
             foreach (string column in columns)
@@ -22,7 +30,7 @@ namespace LD_24
             foreach (T item in list)
             {
                 TableRow row = new TableRow();
-                yield return Tuple.Create(item, row);
+                yield return Tuple.Create(item, row.Cells);
                 table.Rows.Add(row);
                 noRows = false;
             }
@@ -35,33 +43,43 @@ namespace LD_24
             }
         }
 
+        /// <summary>
+        /// Show a list of actors in a table
+        /// </summary>
+        /// <param name="table"></param>
+        /// <param name="actors"></param>
         public static void ShowActors(Table table, IEnumerable<Actor> actors)
         {
             foreach (var tuple in ShowTable(table, actors, "Rasė", "Miestas", "Vardas", "Klasė", "Gyvybė", "Mana", "Žala", "Šarvai"))
             {
-                Actor actor = tuple.Item1;
-                TableRow row = tuple.Item2;
-                row.Cells.Add(new TableCell { Text = actor.Race });
-                row.Cells.Add(new TableCell { Text = actor.StartingTown });
-                row.Cells.Add(new TableCell { Text = actor.Name });
-                row.Cells.Add(new TableCell { Text = actor.Class });
-                row.Cells.Add(new TableCell { Text = actor.Health.ToString() });
-                row.Cells.Add(new TableCell { Text = actor.Mana.ToString() });
-                row.Cells.Add(new TableCell { Text = actor.Attack.ToString() });
-                row.Cells.Add(new TableCell { Text = actor.Defense.ToString() });
+                var actor = tuple.Item1;
+                var cells = tuple.Item2;
+                cells.Add(new TableCell { Text = actor.Race });
+                cells.Add(new TableCell { Text = actor.StartingTown });
+                cells.Add(new TableCell { Text = actor.Name });
+                cells.Add(new TableCell { Text = actor.Class });
+                cells.Add(new TableCell { Text = actor.Health.ToString() });
+                cells.Add(new TableCell { Text = actor.Mana.ToString() });
+                cells.Add(new TableCell { Text = actor.Attack.ToString() });
+                cells.Add(new TableCell { Text = actor.Defense.ToString() });
             }
         }
 
+        /// <summary>
+        /// Show a list of healthy actors to a table
+        /// </summary>
+        /// <param name="table"></param>
+        /// <param name="actors"></param>
         public static void ShowHealthyActors(Table table, IEnumerable<Actor> actors)
         {
             foreach (var tuple in ShowTable(table, actors, "Vardas", "Rasė", "Klasė", "Gyvybė"))
             {
-                Actor actor = tuple.Item1;
-                TableRow row = tuple.Item2;
-                row.Cells.Add(new TableCell { Text = actor.Name });
-                row.Cells.Add(new TableCell { Text = actor.Race });
-                row.Cells.Add(new TableCell { Text = actor.Class });
-                row.Cells.Add(new TableCell { Text = actor.Health.ToString() });
+                var actor = tuple.Item1;
+                var cells = tuple.Item2;
+                cells.Add(new TableCell { Text = actor.Name });
+                cells.Add(new TableCell { Text = actor.Race });
+                cells.Add(new TableCell { Text = actor.Class });
+                cells.Add(new TableCell { Text = actor.Health.ToString() });
             }
         }
     }
diff --git a/L4/LD_24/LD_24.csproj b/L4/LD_24/LD_24.csproj
index 0b2d286..584f4fb 100644
--- a/L4/LD_24/LD_24.csproj
+++ b/L4/LD_24/LD_24.csproj
@@ -71,9 +71,6 @@
     </Reference>
   </ItemGroup>
   <ItemGroup>
-    <Content Include="App_Data\Actors1.txt" />
-    <Content Include="App_Data\Actors2.txt" />
-    <Content Include="App_Data\Actors3.txt" />
     <Content Include="Forma1.aspx" />
     <Content Include="Styles\main.css" />
     <Content Include="Web.config" />
@@ -97,9 +94,6 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
-    <Content Include="App_Data\Klasės.csv" />
-    <Content Include="App_Data\Trūkstami.csv" />
-    <Content Include="App_Data\Riktine.csv" />
     <None Include="packages.config" />
     <None Include="Web.Debug.config">
       <DependentUpon>Web.config</DependentUpon>
@@ -108,7 +102,13 @@
       <DependentUpon>Web.config</DependentUpon>
     </None>
   </ItemGroup>
-  <ItemGroup />
+  <ItemGroup>
+    <Folder Include="App_Data\" />
+    <Folder Include="tests\1\inputs\" />
+    <Folder Include="tests\1\outputs\" />
+    <Folder Include="tests\2\inputs\" />
+    <Folder Include="tests\2\outputs\" />
+  </ItemGroup>
   <PropertyGroup>
     <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">10.0</VisualStudioVersion>
     <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
diff --git a/L4/LD_24/interface-scheme.png b/L4/LD_24/interface-scheme.png
new file mode 100644
index 0000000..71794d8
Binary files /dev/null and b/L4/LD_24/interface-scheme.png differ
diff --git a/L4/LD_24/tests/1/inputs/Actors1.txt b/L4/LD_24/tests/1/inputs/Actors1.txt
new file mode 100644
index 0000000..bc4b585
--- /dev/null
+++ b/L4/LD_24/tests/1/inputs/Actors1.txt
@@ -0,0 +1,3 @@
+Elf
+Padbergborough
+Verla;Warrior;16;23;16;23;21;12;2;10
diff --git a/L4/LD_24/tests/1/inputs/Actors2.txt b/L4/LD_24/tests/1/inputs/Actors2.txt
new file mode 100644
index 0000000..2e81a0d
--- /dev/null
+++ b/L4/LD_24/tests/1/inputs/Actors2.txt
@@ -0,0 +1,7 @@
+Dwarf
+Verdiebury
+Toney;Hunter;20;2;9;11;13;6;17;16
+Andreanne;Warrior;14;25;6;23;Rempel LLC
+Octavia;Necromancer;16;20;13;14;Considine, Runte and Mosciski
+Ocie;Warrior;14;16;22;7;14;3;3;18
+Vicente;Hunter;16;20;24;3;Farrell, Watsica and O'Keefe
diff --git a/L4/LD_24/tests/1/inputs/Actors3.txt b/L4/LD_24/tests/1/inputs/Actors3.txt
new file mode 100644
index 0000000..97e60dd
--- /dev/null
+++ b/L4/LD_24/tests/1/inputs/Actors3.txt
@@ -0,0 +1,7 @@
+Orc
+East Chelseyberg
+Shaina;Archer;20;2;23;1;Wintheiser, Heidenreich and Hansen
+Lucie;Archer;12;16;14;2;9;5;19;15
+Doyle;Archer;12;14;18;3;10;10;18;1
+Amir;Mage;15;9;16;2;Steuber Group
+Muhammad;Necromancer;2;19;12;2;3;7;22;2
diff --git a/L4/LD_24/tests/1/outputs/Klasės.csv b/L4/LD_24/tests/1/outputs/Klasės.csv
new file mode 100644
index 0000000..e919372
--- /dev/null
+++ b/L4/LD_24/tests/1/outputs/Klasės.csv
@@ -0,0 +1,5 @@
+Warrior
+Hunter
+Necromancer
+Archer
+Mage
diff --git a/L4/LD_24/tests/1/outputs/Riktine.csv b/L4/LD_24/tests/1/outputs/Riktine.csv
new file mode 100644
index 0000000..32fecea
--- /dev/null
+++ b/L4/LD_24/tests/1/outputs/Riktine.csv
@@ -0,0 +1,7 @@
+Elf;Padbergborough;Verla;Warrior;16;23;16;23;21;12;2;10
+Dwarf;Verdiebury;Ocie;Warrior;14;16;22;7;14;3;3;18
+Dwarf;Verdiebury;Toney;Hunter;20;2;9;11;13;6;17;16
+Orc;East Chelseyberg;Doyle;Archer;12;14;18;3;10;10;18;1
+Orc;East Chelseyberg;Lucie;Archer;12;16;14;2;9;5;19;15
+Orc;East Chelseyberg;Muhammad;Necromancer;2;19;12;2;3;7;22;2
+Dwarf;Verdiebury;Andreanne;Warrior;14;25;6;23;Rempel LLC
diff --git a/L4/LD_24/tests/1/outputs/Trūkstami.csv b/L4/LD_24/tests/1/outputs/Trūkstami.csv
new file mode 100644
index 0000000..f14e63e
--- /dev/null
+++ b/L4/LD_24/tests/1/outputs/Trūkstami.csv
@@ -0,0 +1,2 @@
+
+Elf
diff --git a/L4/LD_24/tests/1/outputs/web.png b/L4/LD_24/tests/1/outputs/web.png
new file mode 100644
index 0000000..156f5b3
Binary files /dev/null and b/L4/LD_24/tests/1/outputs/web.png differ
diff --git a/L4/LD_24/tests/2/inputs/Actors1.txt b/L4/LD_24/tests/2/inputs/Actors1.txt
new file mode 100644
index 0000000..56fe628
--- /dev/null
+++ b/L4/LD_24/tests/2/inputs/Actors1.txt
@@ -0,0 +1,7 @@
+Elf
+Konopelskitown
+Gail;Mage;6;23;24;17;Hand, Cummerata and Wolff
+Garret;Mage;5;11;1;10;13;22;14;4
+Maybelle;Hunter;21;11;25;17;24;25;5;5
+Amy;Warrior;11;5;13;15;12;4;3;23
+Natalie;Warrior;18;23;25;14;West Inc
diff --git a/L4/LD_24/tests/2/inputs/Actors2.txt b/L4/LD_24/tests/2/inputs/Actors2.txt
new file mode 100644
index 0000000..0c9c442
--- /dev/null
+++ b/L4/LD_24/tests/2/inputs/Actors2.txt
@@ -0,0 +1,5 @@
+Elf
+Port Sierraton
+Lyla;Archer;5;10;5;21;Crona - Abshire
+Ruthe;Necromancer;7;21;11;10;McDermott, Satterfield and Reichel
+Berneice;Mage;6;23;23;6;Sawayn - Kovacek
diff --git a/L4/LD_24/tests/2/inputs/Actors3.txt b/L4/LD_24/tests/2/inputs/Actors3.txt
new file mode 100644
index 0000000..9101fc9
--- /dev/null
+++ b/L4/LD_24/tests/2/inputs/Actors3.txt
@@ -0,0 +1,7 @@
+Orc
+North Anastacio
+Will;Mage;18;24;21;3;25;17;4;21
+Brennan;Mage;2;5;4;8;Lindgren, Spinka and Walsh
+Jannie;Hunter;15;5;25;10;Kub - Flatley
+Nicolette;Archer;11;9;3;17;16;10;18;15
+Noe;Warrior;3;7;14;16;Bradtke, Deckow and Larson
diff --git a/L4/LD_24/tests/2/outputs/Klasės.csv b/L4/LD_24/tests/2/outputs/Klasės.csv
new file mode 100644
index 0000000..91aa36a
--- /dev/null
+++ b/L4/LD_24/tests/2/outputs/Klasės.csv
@@ -0,0 +1,5 @@
+Mage
+Hunter
+Warrior
+Archer
+Necromancer
diff --git a/L4/LD_24/tests/2/outputs/Riktine.csv b/L4/LD_24/tests/2/outputs/Riktine.csv
new file mode 100644
index 0000000..e3ce63c
--- /dev/null
+++ b/L4/LD_24/tests/2/outputs/Riktine.csv
@@ -0,0 +1,2 @@
+Orc;North Anastacio;Brennan;Mage;2;5;4;8;Lindgren, Spinka and Walsh
+Elf;Port Sierraton;Lyla;Archer;5;10;5;21;Crona - Abshire
diff --git a/L4/LD_24/tests/2/outputs/Trūkstami.csv b/L4/LD_24/tests/2/outputs/Trūkstami.csv
new file mode 100644
index 0000000..c65238f
--- /dev/null
+++ b/L4/LD_24/tests/2/outputs/Trūkstami.csv
@@ -0,0 +1,2 @@
+
+
diff --git a/L4/LD_24/tests/2/outputs/web.png b/L4/LD_24/tests/2/outputs/web.png
new file mode 100644
index 0000000..b71cbb2
Binary files /dev/null and b/L4/LD_24/tests/2/outputs/web.png differ
diff --git a/L4/LD_24Tests/screenshot1.png b/L4/LD_24Tests/screenshot1.png
new file mode 100644
index 0000000..9f18843
Binary files /dev/null and b/L4/LD_24Tests/screenshot1.png differ
diff --git a/report.toml b/report.toml
index a8b3f15..3048e1b 100644
--- a/report.toml
+++ b/report.toml
@@ -13,7 +13,7 @@ guide = """
 kad neįmanoma susitiki.
 """
 problem = """
-LD_24. Susitikimas.
+LD_24. **Susitikimas.**
 
 Grupė draugų nusprendė susitikti mieste, o po to kartu eiti valgyti picos. Bet
 tuomet jie susiginčijo, kur geriausia susitikti, ir kurioje picerijoje valgyti.
@@ -58,7 +58,7 @@ guide = """
 * Spausti "Atrinkti" mygtuką
 """
 problem = """
-LD_24. Detalės.
+LD_24. **Detalės.**
 
 Internetinėje parduotuvėje pirkėjai užsisakinėja robotų gamybai reikalingus
 įtaisus. Suraskite populiariausią įtaisą, kiek tokių įtaisų parduota ir už
@@ -99,7 +99,7 @@ tests_screenshots = [
 	"L3/LD_24Tests/screenshot3.PNG"
 ]
 problem = """
-LD_24. Detalės.
+LD_24. **Detalės.**
 
 Internetinėje parduotuvėje pirkėjai užsisakinėja robotų gamybai reikalingus
 įtaisus. Suraskite populiariausią įtaisą, kiek tokių įtaisų parduota ir už
@@ -121,6 +121,50 @@ didesnė kaip k eurų (n ir k įvedami klaviatūra).
 
 [[sections]]
 title = "Polimorfizmas ir išimčių valdymas (L4)"
+project = "L4/LD_24"
+tests_project = "L4/LD_24Tests"
+interface_scheme = "L4/LD_24/interface-scheme.png"
+guide = """
+* Atsidaryti tinklalapį
+* Įvesti minimalus herojaus intelekto kiekį
+* Įvesti maksimalus NPC žalos kiekį
+* Spausti "Vykdyti" mygtuką
+"""
+tests_screenshots = [
+	"L4/LD_24Tests/screenshot1.png"
+]
+problem = """
+U4_24. **Kompiuterinis žaidimas.**
+
+Žaidimo pasaulyje yra dviejų tipų veikėjai - žaidėjo valdomi herojai bei
+kompiuterio valdomi „NPC“ (non playable character). Sugrupavote žaidimo veikėjus pagal rases, ir surašėte
+jų duomenis į skirtingus failus. Duomenų formatas toks: pirmoje eilutėje – rasės pavadinimas. Antroje –
+pradinis miestas. Toliau informacija apie žaidimo veikėjus. Sukurkite abstrakčią klasę „Actor“ (savybės -
+vardas, klasė, gyvybės taškai, mana, žalos taškai, gynybos taškai), kurią paveldės klasės “Hero” (savybės –
+jėga, vikrumas, intelektas, ypatinga galia), “NPC” (savybė – gildija).
+
+* Raskite kiekvienos klasės daugiausiai gyvybės taškų turintį veikėją, ekrane atspausdinkite jo vardą,
+rasę, klasę ir gyvybės taškų kiekį.
+* Sudarykite visų veikėjų klasių sąrašą ir įrašykite į failą „Klasės.csv“ .
+* Norite, jog kiekviena rasė turėtų bent po vieną kiekvienos klasės herojų ir NPC. Raskite, kokių
+klasių herojų ar NPC „trūksta“ kiekvienai rasei. Į failą „Trūkstami.csv“ įrašykite kiekvienos rasės
+pavadinimą, trūkstamų herojų klasių sąrašą, trūkstamų NPC klasių sąrašą.
+* Sudarykite ir surikiuokite bendrą veikėjų rinktinę. Į šią rinktinę patenka herojai, jei jų intelekto
+reikšmė viršija nurodytą dydį. Į šią rinktinę patenka NPC, jei jų žalos taškai neviršija nurodyto
+dydžio. Herojus rikiuokite pagal intelektą, o NPC – pagal žalos taškus. Rezultatus įrašykite į failą
+„Rinktine.csv“.
+"""
 
 [[sections]]
 title = "Deklaratyvusis programavimas (L5)"
+problem = """
+LDD_24. **Leidėjai.**
+
+Žmonės užsisako spaudą. Užsakymas vyksta metų ribose. Pirmoje failo eilutėje
+nurodyta įvedimo data (failų daug), o tolesnėse eilutėse nurodyta prenumeratoriaus pavardė, adresas,
+laikotarpio pradžia (nurodyta sveiku skaičiumi 1..12), laikotarpio ilgis, leidinio kodas, leidinių kiekis.
+Atskirame faile duota tokia informacija apie leidinius: kodas, pavadinimas, leidėjo pavadinimas, vieno
+mėnesio kaina. Suskaičiuoti kiekvienam leidėjui nurodyto mėnesio (įvedama klaviatūra) pajamas.
+Atspausdinkite leidėjų pajamas, surikiuotas pagal dydį ir leidėjų pavadinimus, nurodant ir leidėjų
+leidinius su jų atneštomis pajamomis. Leidėjų pavadinimai neturi kartotis.
+"""