diff --git a/src/backend/Simulator.java b/src/backend/Simulator.java
index c6b539a..8031b8b 100644
--- a/src/backend/Simulator.java
+++ b/src/backend/Simulator.java
@@ -29,7 +29,8 @@ public class Simulator extends Thread {
 	private boolean loopingBorder;
 	private boolean clickActionFlag;
 	private int loopDelay = 150;
-	
+	private ArrayList<Integer> ruleSurviveCriteria= new ArrayList<Integer>() ;
+	private ArrayList<Integer> ruleBirthCriteria=new ArrayList<Integer>() ;
 	//Rules rule = new Rules();
 	//TODO : add missing attribute(s)
 
@@ -114,7 +115,7 @@ public class Simulator extends Thread {
 	public void cellDies(int x, int y) {
 		int aliveNeighbors = getAliveNeighbors(x, y, LIFE_AREA_RADIUS);
 		
-		if(aliveNeighbors < 2 || aliveNeighbors > 3) {
+		if(aliveNeighbors < ruleSurviveCriteria.get(0) || aliveNeighbors > ruleSurviveCriteria.get(1)) {
 			setNewCell(x, y, 0);
 			//newCells.get(x).set(y, 0);
 			}else{setNewCell(x, y, 1);}
@@ -123,7 +124,7 @@ public class Simulator extends Thread {
 	public void cellBorns(int x, int y) {
 		int aliveNeighbors = getAliveNeighbors(x, y, LIFE_AREA_RADIUS);
 
-		if(aliveNeighbors == 3) {
+		if(aliveNeighbors == ruleBirthCriteria.get(0)) {
 			setNewCell(x, y, 1);
 			//newCells.get(x).set(y, 1);
 		}else{setNewCell(x, y, 0);}
@@ -457,14 +458,14 @@ public class Simulator extends Thread {
 			String elem = surviveElements[x];
 			int value = Integer.parseInt(elem);
 			//TODO : add value to possible survive values
-			
+			ruleSurviveCriteria.add(value);
 		}
 		String[] birthElements = birthLine.split(";");
 		for(int x=0; x<birthElements.length;x++) {
 			String elem = birthElements[x];
 			int value = Integer.parseInt(elem);
 			//TODO : add value to possible birth values
-			
+			ruleBirthCriteria.add(value);
 		}
 	}