diff --git a/bin/uebung06/Field.class b/bin/uebung06/Field.class
new file mode 100644
index 0000000..b923c7d
Binary files /dev/null and b/bin/uebung06/Field.class differ
diff --git a/bin/uebung06/Sudoku.class b/bin/uebung06/Sudoku.class
new file mode 100644
index 0000000..fd2512a
Binary files /dev/null and b/bin/uebung06/Sudoku.class differ
diff --git a/bin/uebung06/SudokuApp.class b/bin/uebung06/SudokuApp.class
new file mode 100644
index 0000000..ae884d2
Binary files /dev/null and b/bin/uebung06/SudokuApp.class differ
diff --git a/bin/uebung06/VALUE.class b/bin/uebung06/VALUE.class
new file mode 100644
index 0000000..af2e8e1
Binary files /dev/null and b/bin/uebung06/VALUE.class differ
diff --git a/src/uebung06/Field.java b/src/uebung06/Field.java
new file mode 100644
index 0000000..54f4f4e
--- /dev/null
+++ b/src/uebung06/Field.java
@@ -0,0 +1,87 @@
+package uebung06;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+
+public class Field {
+    private Sudoku sudoku;
+    private int x;
+    private int y;
+    private VALUE value = null;
+
+    private List<Field> dependents;
+    private Set<VALUE> domain;
+    
+
+    public Field(Sudoku sudoku, int x, int y) {
+        this.sudoku = sudoku;
+        this.x = x;
+        this.y = y;
+    }
+
+    public Sudoku getSudoku() {
+        return sudoku;
+    }
+
+    public int getx() {
+        return x;
+    }
+
+    public int gety() {
+        return y;
+    }
+
+    public VALUE getValue() {
+        return value;
+    }
+
+    public void setValue(VALUE value) {
+        this.value = value;
+    }
+
+    public List<Field> getDependents() {
+        if (dependents == null) {
+            dependents = calculateDependents();
+        }
+        return dependents;
+    }
+
+    public Set<VALUE> getDomainSet() {
+        return domain;
+    }
+
+    public boolean isEmpty() {
+        return value == null;
+    }
+
+    @Override
+    public String toString() {
+        if (value != null) {
+            return value.toString();
+        } else {
+            return ".";
+        }
+    }
+
+
+    //TODO
+    private List<Field> calculateDependents() {
+        List<Field> rtn = new ArrayList<>();
+
+        //add all the ones in the same col
+        for (int i = 0; i < 9; i++) {
+            rtn.add(sudoku.getField(x, i));
+        }
+
+        // //add all the ones in the same row
+        for (int i = 0; i < 9; i++) {
+            rtn.add(sudoku.getField(i, y));
+        }
+
+
+
+
+        return rtn;
+    }
+}
diff --git a/src/uebung06/Sudoku.java b/src/uebung06/Sudoku.java
new file mode 100644
index 0000000..657ce23
--- /dev/null
+++ b/src/uebung06/Sudoku.java
@@ -0,0 +1,66 @@
+package uebung06;
+
+public class Sudoku {
+    private Field[][] board;
+
+    public Sudoku() {
+        board = new Field[9][9];
+        createEmptyboard();
+    }
+
+    public Field getField(int x, int y){
+        return board[x][y];
+    }
+
+    public void setField(int x, int y, VALUE value){
+        board[x][y].setValue(value);
+    }
+
+    private void createEmptyboard() {
+        for (int i = 0; i < 9; i++) {
+            for (int j = 0; j < 9 ; j++) {
+                board[i][j] = new Field(this, i, j);
+            }
+        }
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder str = new StringBuilder();
+        
+        for (int i = 0; i < board.length; i++) {
+            for (int j = 0; j < board.length; j++) {
+                str.append(board[i][j].toString() + " ");
+
+                if (j == 2 || j == 5) {
+                    str.append("| ");
+                }
+            }
+            str.append("\n");
+
+            if (i == 2 || i ==5) {
+                str.append("------+-------+------\n");
+            }
+        }
+
+        return str.toString();
+    }
+
+    public void initialize(int[] values) {
+        int c = 0;
+
+        for (int i = 0; i < board.length; i++) {
+            for (int j = 0; j < board.length; j++) {
+                board[i][j].setValue(VALUE.of(values[c]));
+                c++;
+            }
+        }
+    }
+
+    public boolean solve() {
+        
+
+
+        return true;
+    }
+}
diff --git a/src/uebung06/SudokuApp.java b/src/uebung06/SudokuApp.java
new file mode 100644
index 0000000..8f5f7ea
--- /dev/null
+++ b/src/uebung06/SudokuApp.java
@@ -0,0 +1,28 @@
+package uebung06;
+
+
+public class SudokuApp {
+    private static Sudoku sud;
+    public static void main(String[] args) {
+        sud = new Sudoku();
+        // sud1.setField(0, 0, VALUE.FOUR);
+        // sud1.setField(0, 1, VALUE.FIVE);
+        // sud1.setField(0, 6, VALUE.TWO);
+        // sud1.setField(0, 0, VALUE.FOUR);
+        // sud1.setField(0, 0, VALUE.FOUR);
+        // sud1.setField(0, 0, VALUE.FOUR);
+
+        sud.initialize(new int[]{
+            4, 5, 0, 0, 0, 0, 2, 0, 0,
+            6, 0, 0, 0, 2, 4, 8, 0, 0,
+            8, 0, 0, 0, 6, 1, 3, 0, 0,
+            0, 9, 0, 4, 0, 0, 0, 5, 0,
+            0, 1, 0, 2, 0, 8, 0, 7, 0,
+            0, 3, 0, 0, 0, 9, 0, 8, 0,
+            0, 0, 7, 1, 4, 0, 0, 0, 8,
+            0, 0, 2, 7, 9, 0, 0, 0, 6,
+            0, 0, 5, 0, 0, 0, 0, 2, 1});
+
+        System.out.println(sud.toString());
+    }
+}
diff --git a/src/uebung06/VALUE.java b/src/uebung06/VALUE.java
new file mode 100644
index 0000000..81fbcf3
--- /dev/null
+++ b/src/uebung06/VALUE.java
@@ -0,0 +1,50 @@
+package uebung06;
+
+public enum VALUE {
+    ZERO,
+    ONE,
+    TWO,
+    THREE,
+    FOUR,
+    FIVE,
+    SIX,
+    SEVEN,
+    EIGHT,
+    NINE;
+    
+    @Override
+    public String toString() {
+        switch (this) {
+            case ONE: return "1";
+            case TWO: return "2";
+            case THREE: return "3";
+            case FOUR: return "4";
+            case FIVE: return "5";
+            case SIX: return "6";
+            case SEVEN: return "7";
+            case EIGHT: return "8";
+            case NINE: return "9";
+                
+            default:
+                return "0";
+        }
+    }
+
+    public static VALUE of(int id) {
+        switch (id) {
+            // case 0: return null; handle via default
+            case 1: return ONE;
+            case 2: return TWO;
+            case 3: return THREE;
+            case 4: return FOUR;
+            case 5: return FIVE;
+            case 6: return SIX;
+            case 7: return SEVEN;
+            case 8: return EIGHT;
+            case 9: return NINE;
+                
+            default:
+                return ZERO;
+        }
+    }
+}