diff --git a/src/Program.java b/src/Program.java
index ee73c02dafb710666ef4f6b0f005cd45591e9646..2dda2440f00cdd849c956078b52c9e8ee362a830 100644
--- a/src/Program.java
+++ b/src/Program.java
@@ -3,10 +3,14 @@
 import window.MainWindowApproach1;
 import window.MainWindowApproach2;
 
+import java.util.concurrent.locks.Condition;
+import java.util.concurrent.locks.ReentrantLock;
+
 public class Program {
 
 
     public static void main(String[] args) throws Exception {
+
         MainWindowApproach2 window = new MainWindowApproach2("Pathfinder v1", 1080, 1080);
         window.run();
 
diff --git a/src/approach2/algorithm/Explorer.java b/src/approach2/algorithm/Explorer.java
index 727edd3ac4e8205fad7be58b41d88a805c5af09a..dcff27d00c9ac3a4c51cfc9d1466bc8b6fba1afa 100644
--- a/src/approach2/algorithm/Explorer.java
+++ b/src/approach2/algorithm/Explorer.java
@@ -42,13 +42,25 @@ public class Explorer {
 
 
             boolean
-                    left = SharedRessources.getInstance().isWall(x - 1, y);
+                    left = SharedRessources.getInstance().isWall(x - 1, y) ;
             boolean
-                    right = SharedRessources.getInstance().isWall(x + 1, y);
+                    right = SharedRessources.getInstance().isWall(x + 1, y) ;
             boolean up
-                    = SharedRessources.getInstance().isWall(x, y - 1);
+                    = SharedRessources.getInstance().isWall(x, y - 1) ;
             boolean down
-                    = SharedRessources.getInstance().isWall(x, y + 1);
+                    = SharedRessources.getInstance().isWall(x, y + 1) ;
+
+            boolean leftUp =
+                    SharedRessources.getInstance().isWall(x - 1, y- 1);
+            boolean rightUp =
+                    SharedRessources.getInstance().isWall(x + 1, y- 1);
+
+            boolean leftDown =
+                    SharedRessources.getInstance().isWall(x - 1, y + 1);
+            boolean rightDown =
+                    SharedRessources.getInstance().isWall(x + 1, y + 1);
+
+
 
             int stepLeft
                     = SharedRessources.getInstance().getStep(x - 1, y);
@@ -59,6 +71,9 @@ public class Explorer {
             int stepDown
                     = SharedRessources.getInstance().getStep(x, y + 1);
 
+            if(!left && !right && !up && !down && !rightDown && !rightUp && !leftDown && !leftUp)
+                continue;
+
             if (!left) {
                 if (steps < stepLeft) {
                     SharedRessources.getInstance()
@@ -113,6 +128,8 @@ public class Explorer {
         }
 
 
+        System.out.println("Done.");
+
     }