diff --git a/cold.c b/cold.c
index cd9dab8..ec57ad4 100644
--- a/cold.c
+++ b/cold.c
@@ -258,8 +258,14 @@ void activate (GtkApplication *app, gpointer user_data) {
   gtk_notebook_append_page (edit_notebook, get_edit_discuss_page_new(), gtk_label_new ("interpret"));
   gtk_notebook_append_page (edit_notebook, get_edit_help_page_new(),    gtk_label_new ("help"));
 
-  if (0) gtk_window_set_child (window, GTK_WIDGET(edit_notebook));
-  else   gtk_window_set_child (window, GTK_WIDGET(run_notebook));
+  GtkWidget *run_xor_edit_horizontal_pane = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
+  GtkWidget *frame_edits = gtk_frame_new ("Situations");   //  facilitate each situation identification
+  gtk_widget_set_size_request (run_xor_edit_horizontal_pane, W_IMAGE, H_STYLES_PANE);
+  gtk_widget_set_size_request (GTK_WIDGET (frame_edits), 0, H_STYLES_PANE); //  <  utile pour la largeur min/max
+  gtk_paned_set_start_child (GTK_PANED(run_xor_edit_horizontal_pane), GTK_WIDGET (run_notebook));
+  gtk_paned_set_end_child (GTK_PANED(run_xor_edit_horizontal_pane), GTK_WIDGET (edit_notebook));
+  gtk_paned_set_position (GTK_PANED (run_xor_edit_horizontal_pane), W_IMAGE + 90);  //  ! WARNING !  '90' is AD HOC
+  gtk_window_set_child (window, GTK_WIDGET(run_xor_edit_horizontal_pane));
   gtk_window_present (GTK_WINDOW (window));
 }
 
diff --git a/cold.o b/cold.o
index a6ab77d..196e8cd 100644
Binary files a/cold.o and b/cold.o differ
diff --git a/hot.c b/hot.c
index 70abca0..b0b44c8 100644
--- a/hot.c
+++ b/hot.c
@@ -15,28 +15,28 @@ GtkWidget *get_scroll_interest_0(){
 
 GtkBox *get_objects_box(){
   GtkBox *objects_box = GTK_BOX(gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0));
-  gtk_box_append (objects_box, GTK_WIDGET (gtk_label_new (" membrane     ")));
-  gtk_box_append (objects_box, GTK_WIDGET (gtk_label_new (" co-enzyme A     ")));
-  gtk_box_append (objects_box, GTK_WIDGET (gtk_label_new (" ribosome     ")));
-  gtk_box_append (objects_box, GTK_WIDGET (gtk_label_new (" cytochrome C     ")));
-  gtk_box_append (objects_box, GTK_WIDGET (gtk_label_new (" ATP synthase     ")));
-  gtk_box_append (objects_box, GTK_WIDGET (gtk_label_new (" chromosome     ")));
+  gtk_box_append (objects_box, GTK_WIDGET (gtk_label_new ("   membrane     ")));
+  gtk_box_append (objects_box, GTK_WIDGET (gtk_label_new ("   co-enzyme A     ")));
+  gtk_box_append (objects_box, GTK_WIDGET (gtk_label_new ("   ribosome     ")));
+  gtk_box_append (objects_box, GTK_WIDGET (gtk_label_new ("   cytochrome C     ")));
+  gtk_box_append (objects_box, GTK_WIDGET (gtk_label_new ("   ATP synthase     ")));
+  gtk_box_append (objects_box, GTK_WIDGET (gtk_label_new ("   chromosome     ")));
   return objects_box;
 }
 
 GtkBox *get_situations_box(){
   GtkBox *situations_box = GTK_BOX(gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0));
-  gtk_box_append (situations_box, GTK_WIDGET (gtk_label_new (" transcription     ")));
-  gtk_box_append (situations_box, GTK_WIDGET (gtk_label_new (" épissage     ")));
-  gtk_box_append (situations_box, GTK_WIDGET (gtk_label_new (" translation     ")));
-  gtk_box_append (situations_box, GTK_WIDGET (gtk_label_new (" transport Na/K     ")));
-  gtk_box_append (situations_box, GTK_WIDGET (gtk_label_new (" ubiquitination     ")));
-  gtk_box_append (situations_box, GTK_WIDGET (gtk_label_new (" rotation du moteur flagellaire     ")));
+  gtk_box_append (situations_box, GTK_WIDGET (gtk_label_new ("   transcription     ")));
+  gtk_box_append (situations_box, GTK_WIDGET (gtk_label_new ("   épissage     ")));
+  gtk_box_append (situations_box, GTK_WIDGET (gtk_label_new ("   translation     ")));
+  gtk_box_append (situations_box, GTK_WIDGET (gtk_label_new ("   transport Na/K     ")));
+  gtk_box_append (situations_box, GTK_WIDGET (gtk_label_new ("   ubiquitination     ")));
+  gtk_box_append (situations_box, GTK_WIDGET (gtk_label_new ("   rotation du moteur flagellaire     ")));
   return situations_box;
 }
 
 static GtkWidget *get_frame_objects(){
-  GtkWidget *frame_objects = gtk_frame_new ("Objects");          //  defines each class of object transparence
+  GtkWidget *frame_objects = gtk_frame_new ("  Objects");          //  defines each class of object transparence
   gtk_widget_set_size_request (frame_objects, 0, H_STYLES_PANE); //  <  utile seulement pour la largeur min/max
 //  compute_child_allocation (frame_objects, GdkRectangle);
 //  gtk_frame_set_child (frame_objects, get_scroll_interest_0());
@@ -45,7 +45,7 @@ static GtkWidget *get_frame_objects(){
 }
 
 static GtkWidget *get_frame_situations(){
-  GtkWidget *frame_situations = gtk_frame_new ("Situations");       //  facilitates each situation identification
+  GtkWidget *frame_situations = gtk_frame_new ("  Situations");       //  facilitates each situation identification
   gtk_widget_set_size_request (GTK_WIDGET (frame_situations), 0, H_STYLES_PANE); //  <  utile seulement pour la largeur min/max
   gtk_frame_set_child (GTK_FRAME (frame_situations), GTK_WIDGET (get_situations_box()));
   return frame_situations;
@@ -53,9 +53,6 @@ static GtkWidget *get_frame_situations(){
 
 GtkWidget *get_objects_and_situations_horizontal_pane(){
   GtkWidget *objects_and_situations_horizontal_pane = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
-  GtkWidget *frame_situations = gtk_frame_new ("Situations");   //  facilitate each situation identification
-  gtk_widget_set_size_request (objects_and_situations_horizontal_pane, W_IMAGE, H_STYLES_PANE);
-  gtk_widget_set_size_request (GTK_WIDGET (frame_situations), 100, H_STYLES_PANE); //  <  utile seulement pour la largeur min/max
   gtk_paned_set_start_child (GTK_PANED(objects_and_situations_horizontal_pane), GTK_WIDGET (get_frame_objects()));
   gtk_paned_set_end_child (GTK_PANED(objects_and_situations_horizontal_pane), GTK_WIDGET (get_frame_situations()));
   return objects_and_situations_horizontal_pane;
diff --git a/hot.o b/hot.o
index 4e44abb..2d1eed0 100644
Binary files a/hot.o and b/hot.o differ
diff --git a/myprogram b/myprogram
index 1b9f16c..8d95fb6 100755
Binary files a/myprogram and b/myprogram differ