diff --git a/include/base.h b/include/base.h
index 9412f15..41d308b 100644
--- a/include/base.h
+++ b/include/base.h
@@ -25,6 +25,7 @@
 #include <stdio.h>
 #include <malloc.h>
 #include <string.h>
+#include <stdlib.h>
 
 #define BASE_H
 
diff --git a/src/main.c b/src/main.c
index 154547e..55c0d6b 100644
--- a/src/main.c
+++ b/src/main.c
@@ -55,6 +55,9 @@ int main(int argc, char **argv)
 {
     printLog("Starting gem-graph-server...\n");
 
+    time_t t = time(&t);
+    srand((unsigned) t);
+
     //
     // Creating parameters structure for the Scheduler
     //
diff --git a/src/scheduler.c b/src/scheduler.c
index a0f5e43..3da3c45 100644
--- a/src/scheduler.c
+++ b/src/scheduler.c
@@ -23,7 +23,6 @@
 #include "../include/localworker.h"
 
 #include <sys/sysinfo.h>
-#include <stdlib.h>
 
 static void *GreatScheduler(void *parameters);
 
@@ -49,10 +48,8 @@ static inline void centerAssign(Center_t *center, int x, int y, int z)
     center->z = z;
 }
 
-static inline Center_t *centerAdd(Center_t *anyCenter)
+static inline Center_t *centerAdd(Center_t *anyCenter, Center_t *newCenter)
 {
-    Center_t *newCenter = (Center_t*) malloc(sizeof(Center_t));
-
     Center_t *temp = anyCenter->next;
     anyCenter->next = newCenter;
     newCenter->next = temp;
@@ -76,6 +73,29 @@ static inline void centerRemove(Center_t *oldCenter)
     free(oldCenter);
 }
 
+// -------------------------------------------------------------------------- //
+// Scheduler thread main function                                             //
+// -------------------------------------------------------------------------- //
+static Center_t *findWorkArea(Center_t *centerList, int ruleRadius, size_t spaceSize)
+{
+    Center_t *myCenter = (Center_t*) malloc(sizeof(Center_t));
+    centerAssign(myCenter, rand() % spaceSize, 0, 0); /* Je suis né quelque part.(ou pas !).*/
+
+    while (centerList != NULL){
+        //printLog("Center : %d\n", centerList->x);
+        if (abs(myCenter->x - centerList->x) < ruleRadius){
+            printLog("FAIL: no work area available at %d\n", myCenter->x);
+            free(myCenter);
+            return NULL;
+        }
+        centerList = centerList->next;
+    }
+
+    printLog("SUCCESS ! at %d: < I've found a center.\n", myCenter->x);
+
+    return myCenter;
+}
+
 // -------------------------------------------------------------------------- //
 // Scheduler thread main function                                             //
 // -------------------------------------------------------------------------- //
@@ -93,29 +113,16 @@ static void *GreatScheduler(void *params)
 
     centerAssign(centersList, -1, -1, -1);
 
-    return NULL;
-}
+    Center_t *workArea;
+    int i = 0;
 
-// -------------------------------------------------------------------------- //
-// Scheduler thread main function                                             //
-// -------------------------------------------------------------------------- //
-static Center_t *findWorkArea(Center_t *centerList, int ruleRadius)
-{
-    Center_t *myCenter = (Center_t*) malloc(sizeof(Center_t));
-    centerAssign(myCenter, 10, 0, 0); /* Je suis né quelque part.(ou pas !).*/
-
-    while (centerList != NULL){
-        if (abs(myCenter->x - centerList->x) < ruleRadius){
-            printLog("FAIL: no work area available at %d\n", myCenter->x);
-            free(myCenter);
-            return NULL;
+    while (1) {
+        while ((workArea = findWorkArea(centersList, 4, 30))) {
+            i++;
+            centerAdd(centersList, workArea);
         }
-        centerList = centerList->next;
+        printLog("New centers : %d\n", i);
     }
 
-    printLog("SUCCESS ! at %d: < I've find a center.\n", myCenter->x);
-
-    return myCenter;
+    return NULL;
 }
-
-