diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index b3a5792..3168e14 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -12,6 +12,9 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.AndroidProjectCollection"
         tools:targetApi="31">
+        <activity
+            android:name=".Match3Exercise"
+            android:exported="false" />
         <activity
             android:name=".CalculatorExercise"
             android:exported="false" />
diff --git a/app/src/main/java/com/example/androidprojectcollection/MainActivity.java b/app/src/main/java/com/example/androidprojectcollection/MainActivity.java
index 222d7da..0c6a368 100644
--- a/app/src/main/java/com/example/androidprojectcollection/MainActivity.java
+++ b/app/src/main/java/com/example/androidprojectcollection/MainActivity.java
@@ -13,7 +13,7 @@ import androidx.core.view.WindowInsetsCompat;
 
 public class MainActivity extends AppCompatActivity {
 
-    Button btn1,btn2,btn3;
+    Button btn1,btn2,btn3,btn4;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -50,6 +50,16 @@ public class MainActivity extends AppCompatActivity {
                 startActivity(intent1);
             }
         });
+        btn4 = findViewById(R.id.btnCM3);
+
+        btn4.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent startCM3 = new Intent(MainActivity.this, Match3Exercise.class);
+                startActivity(startCM3);
+            }
+        });
+
 
 
     }
diff --git a/app/src/main/java/com/example/androidprojectcollection/Match3Exercise.java b/app/src/main/java/com/example/androidprojectcollection/Match3Exercise.java
new file mode 100644
index 0000000..d84caab
--- /dev/null
+++ b/app/src/main/java/com/example/androidprojectcollection/Match3Exercise.java
@@ -0,0 +1,670 @@
+package com.example.androidprojectcollection;
+
+import android.graphics.Color;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+
+import androidx.activity.EdgeToEdge;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.graphics.Insets;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
+
+import org.w3c.dom.Text;
+
+import java.util.Random;
+
+public class Match3Exercise extends AppCompatActivity {
+    Button[] btns = new Button[25];
+    ButtonProperties[] props = new ButtonProperties[25];
+    TextView tv;
+
+    int clicks = 0,score = 0;
+
+    int[] held_tile = new int[2];
+
+    Button reset;
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        EdgeToEdge.enable(this);
+        setContentView(R.layout.activity_match3_exercise);
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
+            Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
+            return insets;
+        });
+        reset = findViewById(R.id.BtnReset);
+        tv = findViewById(R.id.ScoreBoard);
+
+        props[0] = new ButtonProperties();
+        props[1] = new ButtonProperties();
+        props[2] = new ButtonProperties();
+        props[3] = new ButtonProperties();
+        props[4] = new ButtonProperties();
+        props[5] = new ButtonProperties();
+        props[6] = new ButtonProperties();
+        props[7] = new ButtonProperties();
+        props[8] = new ButtonProperties();
+        props[9] = new ButtonProperties();
+        props[10] = new ButtonProperties();
+        props[11] = new ButtonProperties();
+        props[12] = new ButtonProperties();
+        props[13] = new ButtonProperties();
+        props[14] = new ButtonProperties();
+        props[15] = new ButtonProperties();
+        props[16] = new ButtonProperties();
+        props[17] = new ButtonProperties();
+        props[18] = new ButtonProperties();
+        props[19] = new ButtonProperties();
+        props[20] = new ButtonProperties();
+        props[21] = new ButtonProperties();
+        props[22] = new ButtonProperties();
+        props[23] = new ButtonProperties();
+        props[24] = new ButtonProperties();
+
+
+
+        //First Row
+        btns[0] = findViewById(R.id.btn0);
+        //props[0] = new ButtonProperties(true ,false,true,false);
+        btns[1] = findViewById(R.id.btn1);
+        //props[1] = new ButtonProperties(true ,false,false,false);
+        btns[2] = findViewById(R.id.btn2);
+        //props[2] = new ButtonProperties(true ,false,false,false);
+        btns[3] = findViewById(R.id.btn3);
+        //props[3] = new ButtonProperties(true ,false,false,false);
+        btns[4] = findViewById(R.id.btn4);
+        //props[4] = new ButtonProperties(true ,false,false,true);
+
+        //Second Row
+        btns[5] = findViewById(R.id.btn5);
+        //props[5] = new ButtonProperties(false ,false,true,false);
+        btns[6] = findViewById(R.id.btn6);
+        //props[6] = new ButtonProperties(false ,false,false,false);
+        btns[7] = findViewById(R.id.btn7);
+        //props[7] = new ButtonProperties(false ,false,false,false);
+        btns[8] = findViewById(R.id.btn8);
+        //props[8] = new ButtonProperties(false ,false,false,false);
+        btns[9] = findViewById(R.id.btn9);
+        //props[9] = new ButtonProperties(false ,false,false,true);
+
+        //Third Row
+        btns[10] = findViewById(R.id.btn10);
+        //props[10] = new ButtonProperties(false ,false,true,false);
+        btns[11] = findViewById(R.id.btn11);
+        //props[11] = new ButtonProperties(true ,false,false,false);
+        btns[12] = findViewById(R.id.btn12);
+        //props[12] = new ButtonProperties(false ,false,false,false);
+        btns[13] = findViewById(R.id.btn13);
+        //props[13] = new ButtonProperties(false ,false,false,false);
+        btns[14] = findViewById(R.id.btn14);
+        //props[14] = new ButtonProperties(false,false,false,true);
+
+        //Fourth Row
+        btns[15] = findViewById(R.id.btn15);
+        //props[15] = new ButtonProperties(false ,false,true,false);
+        btns[16] = findViewById(R.id.btn16);
+        //props[16] = new ButtonProperties(false ,false,false,false);
+        btns[17] = findViewById(R.id.btn17);
+        //props[17] = new ButtonProperties(false ,false,false,false);
+        btns[18] = findViewById(R.id.btn18);
+        //props[18] = new ButtonProperties(false ,false,false,false);
+        btns[19] = findViewById(R.id.btn19);
+        //props[19] = new ButtonProperties(false ,false,false,true);
+
+        //Fifth Row
+        btns[20] = findViewById(R.id.btn20);
+        //props[20] = new ButtonProperties(false ,true,true,false);
+        btns[21] = findViewById(R.id.btn21);
+        //props[21] = new ButtonProperties(false ,true,false,false);
+        btns[22] = findViewById(R.id.btn22);
+        //props[22] = new ButtonProperties(false ,true,false,false);
+        btns[23] = findViewById(R.id.btn23);
+        //props[23] = new ButtonProperties(false ,true,false,false);
+        btns[24] = findViewById(R.id.btn24);
+        //props[24] = new ButtonProperties(false ,true,false,true);
+        buttonLabeler();
+
+        btns[0].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(0);
+            }
+        });
+        btns[1].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(1);
+            }
+        });
+
+        btns[2].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(2);
+            }
+        });
+
+        btns[3].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(3);
+            }
+        });
+
+        btns[4].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(4);
+            }
+        });
+
+        btns[5].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(5);
+            }
+        });
+
+
+        btns[6].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(6);
+            }
+        });
+
+        btns[7].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(7);
+            }
+        });
+
+        btns[8].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(8);
+            }
+        });
+
+        btns[9].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(9);
+            }
+        });
+
+        btns[10].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(10);
+            }
+        });
+
+        btns[11].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(11);
+            }
+        });
+
+        btns[12].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(12);
+            }
+        });
+
+        btns[13].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(13);
+            }
+        });
+
+        btns[14].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(14);
+            }
+        });
+
+        btns[15].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(15);
+            }
+        });
+
+        btns[16].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(16);
+            }
+        });
+
+        btns[17].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(17);
+            }
+        });
+
+        btns[18].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(18);
+            }
+        });
+
+        btns[19].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(19);
+            }
+        });
+
+        btns[20].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(20);
+            }
+        });
+
+        btns[21].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(21);
+            }
+        });
+
+        btns[22].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(22);
+            }
+        });
+
+        btns[23].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(23);
+            }
+        });
+
+        btns[24].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                stuffer(24);
+            }
+        });
+
+
+
+        reset.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                buttonLabeler();
+            }
+        });
+
+    }
+
+
+
+    void buttonLabeler(){
+        Random rd = new Random();
+        for (int i = 0 ; i < 25 ; i++){
+            switch (rd.nextInt(4) + 1){
+                case 1:{
+                    btns[i].setBackgroundColor(Color.RED);
+                    props[i].color = 1;
+                    break;
+                }case 2:{
+                    btns[i].setBackgroundColor(Color.BLUE);
+                    props[i].color = 2;
+                    break;
+                } case 3:{
+                    btns[i].setBackgroundColor(Color.GREEN);
+                    props[i].color = 3;
+                    break;
+                } case 4:{
+                    btns[i].setBackgroundColor(Color.YELLOW);
+                    props[i].color = 4;
+                    break;
+                }default:{
+                    btns[i].setBackgroundColor(Color.BLACK);
+                    props[i].color = 5;
+                }
+            }
+        }
+    }
+
+    void stuffer(int index){
+        if(clicks < 1){
+            held_tile[clicks] = index;
+            clicks++;
+        }else {
+            held_tile[clicks] = index ;
+            clicks++;
+            swapper(held_tile[0],held_tile[1]);
+            clicks = 0;
+        }
+    }
+
+    void swapper(int wan, int tuo){
+        if (validity(wan, tuo)) {
+            int swap = props[wan].color;
+            props[wan].color = props[tuo].color;
+            props[tuo].color = swap;
+            colorer(wan);
+            colorer(tuo);
+            for (int i = 0 ;i < 25 ; i++){
+                matchCheck(i);
+            }
+            tv.setText("Score: " + score);
+        }
+    }
+
+    boolean validity(int wan, int tuo){
+        if (wan == (tuo-1) || wan == (tuo+1) || wan == (tuo-5) || wan == (tuo+5)){
+            return props[wan].color != props[tuo].color;
+        }else {
+            return false;
+        }
+    }
+
+
+    void colorer(int index){
+
+        switch (props[index].color){
+            case 1:{
+                btns[index].setBackgroundColor(Color.RED);
+                break;
+            }case 2:{
+                btns[index].setBackgroundColor(Color.BLUE);
+                break;
+            } case 3:{
+                btns[index].setBackgroundColor(Color.GREEN);
+                break;
+            } case 4:{
+                btns[index].setBackgroundColor(Color.YELLOW);
+                break;
+            }default:{
+                btns[index].setBackgroundColor(Color.BLACK);
+            }
+        }
+
+    }
+
+
+
+
+    void matchCheck(int index) {
+        int row = index / 5; // Calculate the row of the button
+        int col = index % 5; // Calculate the column of the button
+        int color = props[index].color; // Get the color of the current button
+
+        // Check for horizontal matches
+        if (col <= 2 && props[index + 1].color == color && props[index + 2].color == color) {
+            // Match found, update colors
+            props[index].color = getRandomColor();
+            props[index + 1].color = getRandomColor();
+            props[index + 2].color = getRandomColor();
+            colorer(index);
+            colorer(index + 1);
+            colorer(index + 2);
+            score++;
+        }
+
+        // Check for vertical matches
+        if (row <= 2 && props[index + 5].color == color && props[index + 10].color == color) {
+            // Match found, update colors
+            props[index].color = getRandomColor();
+            props[index + 5].color = getRandomColor();
+            props[index + 10].color = getRandomColor();
+            colorer(index);
+            colorer(index + 5);
+            colorer(index + 10);
+            score++;
+        }
+
+        // Check for matches in upward direction
+        if (row >= 2 && props[index - 5].color == color && props[index - 10].color == color) {
+            // Match found, update colors
+            props[index].color = getRandomColor();
+            props[index - 5].color = getRandomColor();
+            props[index - 10].color = getRandomColor();
+            colorer(index);
+            colorer(index - 5);
+            colorer(index - 10);
+            score++;
+        }
+    }
+
+    int getRandomColor() {
+        Random rd = new Random();
+        return rd.nextInt(4) + 1;
+    }
+
+
+
+
+
+
+}
+
+
+class ButtonProperties{
+/*    boolean isTopMost;
+    boolean isBottomMost;
+    boolean isLeftMost;
+    boolean isRightMost;*/
+    int color;
+/*
+    public ButtonProperties(boolean isTopMost, boolean isBottomMost, boolean isLeftMost, boolean isRightMost) {
+        this.isTopMost = isTopMost;
+        this.isBottomMost = isBottomMost;
+        this.isLeftMost = isLeftMost;
+        this.isRightMost = isRightMost;
+    }
+
+*/
+
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+/*basement code*/
+ /*   int matchCheck(int index){
+        Random rd = new Random();
+        switch (props[index].spewer()){
+            case 1:{ //Topmost
+                if(props[index].color == props[index-1].color && props[index].color == props[index+1].color){
+                        props[index].color = rd.nextInt(4)+1;
+                        props[index+1].color = rd.nextInt(4)+1;
+                        props[index-1].color = rd.nextInt(4)+1;
+                        colorer(index);
+                        colorer(index+1);
+                        colorer(index-1);
+                }else if (props[index].color == props[index+5].color && props[index].color == props[index+10].color){
+                        props[index].color = rd.nextInt(4)+1;
+                        props[index+5].color = rd.nextInt(4)+1;
+                        props[index+10].color = rd.nextInt(4)+1;
+                        colorer(index);
+                        colorer(index+5);
+                        colorer(index+10);
+                }else {
+                    return 0;
+                }
+                score++;
+                break;
+            } case 2:{ //BottomMost
+                if(props[index].color == props[index-1].color && props[index].color == props[index+1].color){
+                    props[index].color = rd.nextInt(4)+1;
+                    props[index+1].color = rd.nextInt(4)+1;
+                    props[index-1].color = rd.nextInt(4)+1;
+                    colorer(index);
+                    colorer(index+1);
+                    colorer(index-1);
+                }else if (props[index].color == props[index-5].color && props[index].color == props[index-10].color){
+                    props[index].color = rd.nextInt(4)+1;
+                    props[index-5].color = rd.nextInt(4)+1;
+                    props[index-10].color = rd.nextInt(4)+1;
+                    colorer(index);
+                    colorer(index-5);
+                    colorer(index-10);
+                }else {
+                    return 0;
+                }
+                score++;
+                break;
+            } case 3:{//LeftMost
+                if(props[index].color == props[index+1].color && props[index].color == props[index+2].color){
+                    props[index].color = rd.nextInt(4)+1;
+                    props[index+1].color = rd.nextInt(4)+1;
+                    props[index+2].color = rd.nextInt(4)+1;
+                    colorer(index);
+                    colorer(index+1);
+                    colorer(index+2);
+                }else if (props[index].color == props[index+5].color && props[index].color == props[index-5].color){
+                    props[index].color = rd.nextInt(4)+1;
+                    props[index+5].color = rd.nextInt(4)+1;
+                    props[index-5].color = rd.nextInt(4)+1;
+                    colorer(index);
+                    colorer(index+5);
+                    colorer(index-5);
+                }else {
+                    return 0;
+                }
+                score++;
+                break;
+            } case 4:{//RightMost
+
+                if(props[index].color == props[index-1].color && props[index].color == props[index-2].color){
+                    props[index].color = rd.nextInt(4)+1;
+                    props[index-1].color = rd.nextInt(4)+1;
+                    props[index-2].color = rd.nextInt(4)+1;
+                    colorer(index);
+                    colorer(index-1);
+                    colorer(index-2);
+                }else if (props[index].color == props[index+5].color && props[index].color == props[index-5].color){
+                    props[index].color = rd.nextInt(4)+1;
+                    props[index+5].color = rd.nextInt(4)+1;
+                    props[index-5].color = rd.nextInt(4)+1;
+                    colorer(index);
+                    colorer(index+5);
+                    colorer(index-5);
+                }else {
+                    return 0;
+                }
+                score++;
+                break;
+            } case 5:{//TopLeftMost
+                if(props[index].color == props[index+1].color && props[index].color == props[index+2].color){
+                    props[index].color = rd.nextInt(4)+1;
+                    props[index+1].color = rd.nextInt(4)+1;
+                    props[index+2].color = rd.nextInt(4)+1;
+                    colorer(index);
+                    colorer(index+1);
+                    colorer(index+2);
+                }else if (props[index].color == props[index+5].color && props[index].color == props[index+10].color){
+                    props[index].color = rd.nextInt(4)+1;
+                    props[index+5].color = rd.nextInt(4)+1;
+                    props[index+10].color = rd.nextInt(4)+1;
+                    colorer(index);
+                    colorer(index+5);
+                    colorer(index+10);
+                }else {
+                    return 0;
+                }
+                score++;
+                break;
+
+            } case 6:{//TopRightMost
+                if(props[index].color == props[index-1].color && props[index].color == props[index-2].color){
+                    props[index].color = rd.nextInt(4)+1;
+                    props[index-1].color = rd.nextInt(4)+1;
+                    props[index-2].color = rd.nextInt(4)+1;
+                    colorer(index);
+                    colorer(index-1);
+                    colorer(index-2);
+                }else if (props[index].color == props[index+5].color && props[index].color == props[index+10].color){
+                    props[index].color = rd.nextInt(4)+1;
+                    props[index+5].color = rd.nextInt(4)+1;
+                    props[index+10].color = rd.nextInt(4)+1;
+                    colorer(index);
+                    colorer(index+5);
+                    colorer(index+10);
+                }else {
+                    return 0;
+                }
+                score++;
+                break;
+
+            } case 7:{//BottomLeftMost
+                if(props[index].color == props[index+1].color && props[index].color == props[index+2].color){
+                    props[index].color = rd.nextInt(4)+1;
+                    props[index+1].color = rd.nextInt(4)+1;
+                    props[index+2].color = rd.nextInt(4)+1;
+                    colorer(index);
+                    colorer(index+1);
+                    colorer(index+2);
+                }else if (props[index].color == props[index-5].color && props[index].color == props[index-10].color){
+                    props[index].color = rd.nextInt(4)+1;
+                    props[index-5].color = rd.nextInt(4)+1;
+                    props[index-10].color = rd.nextInt(4)+1;
+                    colorer(index);
+                    colorer(index-5);
+                    colorer(index-10);
+                }else {
+                    return 0;
+                }
+                score++;
+                break;
+
+            } case 8:{//BottomRightMost
+                if(props[index].color == props[index-1].color && props[index].color == props[index-2].color){
+                    props[index].color = rd.nextInt(4)+1;
+                    props[index-1].color = rd.nextInt(4)+1;
+                    props[index-2].color = rd.nextInt(4)+1;
+                    colorer(index);
+                    colorer(index-1);
+                    colorer(index-2);
+                }else if (props[index].color == props[index-5].color && props[index].color == props[index-10].color){
+                    props[index].color = rd.nextInt(4)+1;
+                    props[index-5].color = rd.nextInt(4)+1;
+                    props[index-10].color = rd.nextInt(4)+1;
+                    colorer(index);
+                    colorer(index-5);
+                    colorer(index-10);
+                }else {
+                    return 0;
+                }
+                score++;
+                break;
+            } default:{
+                System.exit(69);
+
+            }
+        }
+        return 1;
+
+    }*/
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 9e91f0c..670efb5 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -64,4 +64,18 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/Calculaotr" />
 
+    <Button
+        android:id="@+id/btnCM3"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="160dp"
+        android:layout_marginTop="88dp"
+        android:layout_marginEnd="160dp"
+        android:layout_marginBottom="181dp"
+        android:text="Fuck you"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/button3" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_match3_exercise.xml b/app/src/main/res/layout/activity_match3_exercise.xml
new file mode 100644
index 0000000..b3cf5e7
--- /dev/null
+++ b/app/src/main/res/layout/activity_match3_exercise.xml
@@ -0,0 +1,250 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".Match3Exercise">
+
+    <LinearLayout
+        android:layout_width="407dp"
+        android:layout_height="415dp"
+        android:layout_marginStart="1dp"
+        android:layout_marginTop="1dp"
+        android:layout_marginEnd="1dp"
+        android:layout_marginBottom="1dp"
+        android:orientation="vertical"
+        android:weightSum="3"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" >
+
+        <TableLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:weightSum="7">
+
+            <TableRow
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:layout_weight="1"
+                android:weightSum="1">
+
+                <TextView
+                    android:id="@+id/ScoreBoard"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center"
+                    android:layout_weight="1"
+                    android:gravity="center"
+                    android:text="Score: 0"
+                    android:textSize="20sp" />
+            </TableRow>
+
+            <TableRow
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:layout_weight="1"
+                android:weightSum="5">
+
+                <Button
+                    android:id="@+id/btn0"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn1"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn2"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn3"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn4"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+            </TableRow>
+
+            <TableRow
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:layout_weight="1"
+                android:weightSum="5">
+
+                <Button
+                    android:id="@+id/btn5"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn6"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn7"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn8"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn9"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+            </TableRow>
+
+            <TableRow
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:layout_weight="1"
+                android:weightSum="5">
+
+                <Button
+                    android:id="@+id/btn10"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn11"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn12"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn13"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn14"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+            </TableRow>
+
+            <TableRow
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:layout_weight="1"
+                android:weightSum="5">
+
+                <Button
+                    android:id="@+id/btn15"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn16"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn17"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn18"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn19"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+            </TableRow>
+
+            <TableRow
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:layout_weight="1"
+                android:weightSum="5">
+
+                <Button
+                    android:id="@+id/btn20"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn21"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn22"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn23"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+
+                <Button
+                    android:id="@+id/btn24"
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1" />
+            </TableRow>
+
+            <TableRow
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:layout_weight="1"
+                android:foregroundGravity="center"
+                android:gravity="center|center_horizontal"
+                android:weightSum="1">
+
+                <Button
+                    android:id="@+id/BtnReset"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center"
+                    android:layout_weight="0.3"
+                    android:text="Reset" />
+            </TableRow>
+
+        </TableLayout>
+    </LinearLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file