diff --git a/AppLaser.java b/AppLaser.java
index 8fdd66c..16ed2d6 100644
--- a/AppLaser.java
+++ b/AppLaser.java
@@ -39,7 +39,7 @@ public class AppLaser {
 
         int i = 0;
         while (!universe.isSolved()) {
-            System.out.printf("i: %d, j: %d, dir: %d, choice: %d, possible: %d\n", currentState.pos_i, currentState.pos_j, currentState.direction, currentState.nb_choix, universe.possibleChoices(currentState));
+            //System.out.printf("i: %d, j: %d, dir: %d, choice: %d, possible: %d\n", currentState.pos_i, currentState.pos_j, currentState.direction, currentState.nb_choix, universe.possibleChoices(currentState));
 
             if (universe.canEvolve(currentState)) {
                 stack.push(currentState.copy(universe.possibleChoices(currentState)));
@@ -57,7 +57,6 @@ public class AppLaser {
         }
 
         System.out.println("\n\n");
-
         universe.print();
     }
 }
diff --git a/Universe.java b/Universe.java
index ea9d08a..cef67f3 100644
--- a/Universe.java
+++ b/Universe.java
@@ -153,7 +153,7 @@ public class Universe {
 
         // adding the miror
 
-        switch (c) {
+        /*switch (c) {
             case 1:
                 this.grid[i][j] = 1;
                 break;
@@ -167,7 +167,12 @@ public class Universe {
                 break;
 
             default:
-        }
+        }*/
+
+        if (c == 1 && (d == 10 || d == 11)) this.grid[i][j] = 1;
+        if (c == 1 && (d == 12 || d == 13)) this.grid[i][j] = 2;
+        if ((c == 3 && d == 10) || (c == 3 && d == 11) || (c == 2 && d == 12) || (c == 2 && d == 13)) this.grid[i][j] = 3;
+        if ((c == 2 && d == 10) || (c == 2 && d == 11) || (c == 3 && d == 12) || (c == 3 && d == 13)) this.grid[i][j] = 4;
 
         // changing the position of the situation
 
@@ -215,8 +220,24 @@ public class Universe {
                         System.out.printf("  X");
                         break;
 
+                    case 0: 
+                        System.out.printf("   ");
+                        break;
+
                     case 1: 
-                        System.out.printf("  +");
+                        System.out.printf("  |");
+                        break;
+
+                    case 2: 
+                        System.out.printf("  -");
+                        break;
+
+                    case 3: 
+                        System.out.printf("  /");
+                        break;
+
+                    case 4: 
+                        System.out.printf("  \\");
                         break;
 
                     case 10: 
diff --git a/algo.txt b/algo.txt
index dc47f79..c196266 100644
--- a/algo.txt
+++ b/algo.txt
@@ -28,9 +28,10 @@ Le truc avec la pile:
 types de cases:
 -  0 case vide
 - -1 obstacle
--  1 laser
--  2 miroir gauche
--  3 miroir droite
+-  1 laser 1
+-  2 laser 2
+-  3 miroir 1
+-  4 miroir 2
 -  10 départ nord
 -  11 départ sud
 -  12 départ est