diff --git a/a_maze_ing.py b/a_maze_ing.py
index d137ea5..5f3b7ff 100644
--- a/a_maze_ing.py
+++ b/a_maze_ing.py
@@ -1,3 +1,5 @@
+import os
+import sys
 from typing import Any
 from numpy.typing import NDArray
 from AMazeIng import AMazeIng
@@ -482,9 +484,10 @@ def main() -> None:
     """Run the maze application."""
     mlx = None
     try:
-        mlx = MazeMLX(1600, 2000)
+        os.system("cls" if os.name == "nt" else "clear")
         config = Parsing.get_data_maze("config.txt")
         amazing = AMazeIng(**config)
+        mlx = MazeMLX(1600, 2000)
         mlx.start(amazing)
         amazing.export_maze()
     except Exception as err:
diff --git a/config.txt b/config.txt
index f0c23c7..9423f86 100644
--- a/config.txt
+++ b/config.txt
@@ -1,7 +1,7 @@
-WIDTH=4
-HEIGHT=4
+WIDTH=9
+HEIGHT=7
 ENTRY=1,1
-EXIT=1,2
+EXIT=4,5
 OUTPUT_FILE=con.txt
 PERFECT=False
 GENERATOR=Kruskal
diff --git a/src/AMazeIng.py b/src/AMazeIng.py
index 0be35ff..5d2aaa4 100644
--- a/src/AMazeIng.py
+++ b/src/AMazeIng.py
@@ -12,8 +12,8 @@ class AMazeIng(BaseModel):
 
     model_config = ConfigDict(arbitrary_types_allowed=True)
 
-    width: int = Field(ge=4, le=100)
-    height: int = Field(ge=4, le=100)
+    width: int = Field(ge=5, le=100)
+    height: int = Field(ge=5, le=100)
     entry: tuple[int, int]
     exit: tuple[int, int]
     output_file: str = Field(min_length=3)
@@ -39,7 +39,11 @@ class AMazeIng(BaseModel):
             raise ValueError("Exit coordinates exceed the maze size")
         if self.entry == self.exit:
             raise ValueError("Entry and Exit coordinates cant be the same")
-        if self.width <= 10 or self.height <= 10:
+        if self.exit[0] < 1 or self.exit[1] < 1:
+            raise ValueError("Exit coordinates to low")
+        if self.entry[0] < 1 or self.entry[1] < 1:
+            raise ValueError("Entry coordinates to low")
+        if self.width < 9 or self.height < 7:
             print("Height or width to low for disply forty two logo")
         return self
 
diff --git a/src/mazegen/MazeGenerator.py b/src/mazegen/MazeGenerator.py
index b211e1f..dd8aa21 100644
--- a/src/mazegen/MazeGenerator.py
+++ b/src/mazegen/MazeGenerator.py
@@ -1,5 +1,6 @@
 from abc import ABC, abstractmethod
 from typing import Generator, Any
+from mazegen import Maze
 import numpy as np
 from numpy.typing import NDArray
 from mazegen.Cell import Cell
@@ -105,10 +106,24 @@ class MazeGenerator(ABC):
             The modified maze.
         """
 
+        def enough_wall(cell: Cell) -> bool:
+            nb_wall = 0
+            if cell.get_est():
+                nb_wall += 1
+            if cell.get_north():
+                nb_wall += 1
+            if cell.get_west():
+                nb_wall += 1
+            if cell.get_south():
+                nb_wall += 1
+            if nb_wall == 3:
+                return True
+            return False
+
         directions = {"N": (0, -1), "S": (0, 1), "W": (-1, 0), "E": (1, 0)}
 
         reverse = {"N": "S", "S": "N", "W": "E", "E": "W"}
-        min_break = 2
+        min_break = 1
         while True:
             count = 0
             for y in range(height):
@@ -125,7 +140,9 @@ class MazeGenerator(ABC):
                             continue
                         if direc in ["S", "E"]:
                             continue
-                        if np.random.random() < prob:
+                        if not enough_wall(maze[y][x]):
+                            continue
+                        else:
                             count += 1
                             cell = maze[y][x]
                             cell_n = maze[ny][nx]
@@ -136,8 +153,8 @@ class MazeGenerator(ABC):
                             )
                             maze[y][x] = cell
                             maze[ny][nx] = cell_n
-                            yield maze
-            if count > min_break:
+                        yield maze
+            if count >= min_break:
                 break
         return maze
 
@@ -292,7 +309,7 @@ class Kruskal(MazeGenerator):
             The final generated maze.
         """
         cells_ft = None
-        if height > 10 and width > 10:
+        if height >= 7 and width >= 9:
             cells_ft = self.get_cell_ft(width, height)
         if cells_ft and (self.start in cells_ft or self.end in cells_ft):
             print(
@@ -374,7 +391,7 @@ class DepthFirstSearch(MazeGenerator):
         if seed is not None:
             random.seed(seed)
         maze = self.init_maze(width, height)
-        if width > 10 and height > 10:
+        if width >= 9 and height >= 7:
             self.forty_two = self.get_cell_ft(width, height)
         visited: NDArray[np.object_] = np.zeros((height, width), dtype=bool)
         if (
diff --git a/src/parsing/Parsing.py b/src/parsing/Parsing.py
index 15c1a21..503e2c3 100644
--- a/src/parsing/Parsing.py
+++ b/src/parsing/Parsing.py
@@ -6,6 +6,21 @@ from typing import Any
 class DataMaze:
     """Provide helper methods to load and validate maze configuration data."""
 
+    @staticmethod
+    def test_output_file(name_file: str) -> None:
+        try:
+            with open(name_file, "r"):
+                while True:
+                    res = input(
+                        f"{name_file} already exist. Data will be erased. Continue ? (y/n)"
+                    )
+                    if res == "y":
+                        break
+                    elif res == "n":
+                        raise Exception("")
+        except FileNotFoundError:
+            return
+
     @staticmethod
     def get_file_data(name_file: str) -> str:
         """Read and return the contents of a configuration file.
@@ -38,7 +53,11 @@ class DataMaze:
             A dictionary mapping configuration keys to their string values.
         """
         tmp = data.split("\n")
-        tmp2 = [value.split("=", 1) for value in tmp if "=" in value]
+        tmp2 = [
+            value.split("=", 1)
+            for value in tmp
+            if not value.startswith("#") and "=" in value
+        ]
         data_t = {value[0]: value[1] for value in tmp2}
         return data_t
 
@@ -64,6 +83,8 @@ class DataMaze:
         }
         i = 0
         for key in data:
+            if key == "OUTPUT_FILE":
+                DataMaze.test_output_file(data[key])
             if key in key_test:
                 i += 1
         if len(key_test) != i:
@@ -187,6 +208,8 @@ class DataMaze:
     def test_file_format(file: str) -> None:
         with open(file) as data_str:
             for line in data_str:
+                if line.startswith("#"):
+                    continue
                 if len(line.split("=", 1)) != 2:
                     raise Exception(
                         "config file format not respected. excpected format : "