diff --git a/callback.c b/callback.c
index 5052045..03c50fd 100644
--- a/callback.c
+++ b/callback.c
@@ -175,21 +175,48 @@ void on_toggle_exec_edit (GtkWidget *btt_exec_xor_edit, GtkWidget *btt_run_stop_
 }
 
 
-void on_toggle_STATE_RULES_DATA (GtkWidget *btt_toggle_STATE_RULES_DATA, gpointer data)
+void on_toggle_STATE_RULES_DATA (GtkButton *btt_toggle_STATE_RULES_DATA,
+                                 GtkButton *btt_toggle_STATE_DATA_RULES)
 {
   const char* current_label = gtk_button_get_label (GTK_BUTTON (btt_toggle_STATE_RULES_DATA));
-  if (0) printf ("callback.c (line 191)  -  current_label = %s\n", current_label);
+  if (0) printf ("callback.c (line 182)  -  current_label = %s\n", current_label);
 
   if      (! strcmp (current_label, "analyse")) {
-    gtk_button_set_label (GTK_BUTTON (btt_toggle_STATE_RULES_DATA), " state ");
+    gtk_button_set_label (btt_toggle_STATE_RULES_DATA, " state ");
+    gtk_button_set_label (GTK_BUTTON (btt_toggle_STATE_DATA_RULES), " state ");
     window_main_child (main_window, 0);
   }
   else if (! strcmp (current_label, " state ")) {
-    gtk_button_set_label (GTK_BUTTON (btt_toggle_STATE_RULES_DATA), " rules ");
+    gtk_button_set_label (btt_toggle_STATE_RULES_DATA, " rules ");
+    gtk_button_set_label (GTK_BUTTON (btt_toggle_STATE_DATA_RULES), " rules ");
     window_main_child (main_window, 1);
   }
        else {
-    gtk_button_set_label (GTK_BUTTON (btt_toggle_STATE_RULES_DATA), "analyse");
+    gtk_button_set_label (btt_toggle_STATE_RULES_DATA, "analyse");
+    gtk_button_set_label (GTK_BUTTON (btt_toggle_STATE_DATA_RULES), "analyse");
+    window_main_child (main_window, 2);
+  }
+}
+
+void on_toggle_STATE_DATA_RULES (GtkButton *btt_toggle_STATE_RULES_DATA,
+                                 GtkButton *btt_toggle_STATE_DATA_RULES)
+{
+  const char* current_label = gtk_button_get_label (GTK_BUTTON (btt_toggle_STATE_RULES_DATA));
+  if (0) printf ("callback.c (line 205)  -  current_label = %s\n", current_label);
+
+  if      (! strcmp (current_label, "analyse")) {
+    gtk_button_set_label (btt_toggle_STATE_RULES_DATA, " state ");
+    gtk_button_set_label (btt_toggle_STATE_DATA_RULES, " state ");
+    window_main_child (main_window, 0);
+  }
+  else if (! strcmp (current_label, " rules ")) {
+    gtk_button_set_label (btt_toggle_STATE_RULES_DATA, "analyse");
+    gtk_button_set_label (btt_toggle_STATE_DATA_RULES, "analyse");
+    window_main_child (main_window, 1);
+  }
+       else {
+    gtk_button_set_label (btt_toggle_STATE_RULES_DATA, " rules ");
+    gtk_button_set_label (btt_toggle_STATE_DATA_RULES, " rules ");
     window_main_child (main_window, 2);
   }
 }
diff --git a/callback.h b/callback.h
index b4a4b5b..f42093d 100644
--- a/callback.h
+++ b/callback.h
@@ -16,7 +16,8 @@ void on_axis_value_change (GtkAdjustment *adjustment, gpointer data);
 
 void on_toggle_exec_edit (GtkWidget *btt_exec_xor_edit, GtkWidget *btt_run_stop_model_exec);
 void on_toggle_model_exec (GtkWidget *btt_run_stop_model_exec, gpointer data);
-void on_toggle_STATE_RULES_DATA (GtkWidget *btt_toggle_STATE_RULES_DATA, gpointer data);
+void on_toggle_STATE_RULES_DATA (GtkButton *btt_toggle_STATE_RULES_DATA, GtkButton *btt_toggle_STATE_DATA_RULES);
+void on_toggle_STATE_DATA_RULES (GtkButton *btt_toggle_STATE_DATA_RULES, GtkButton *btt_toggle_STATE_RULES_DATA);
 void on_toggle_observ_interpret (GtkWidget *btt_toggle_observ_interpret, gpointer data);
 
 void on_SAVE_CURRENT_MODEL_BEFORE_EDITING (GtkWidget *btt_SAVE_CURRENT_MODEL, gpointer data);
diff --git a/contain.c b/contain.c
index 32d8756..6be987f 100644
--- a/contain.c
+++ b/contain.c
@@ -178,7 +178,9 @@ void window_header_bar (GtkWindow *window, char *title){
   g_signal_connect (run_stop_model_exec, "clicked", G_CALLBACK (on_toggle_model_exec), no_local_data);
 
   GtkButton *btt_toggle_STATE_RULES_DATA = GTK_BUTTON (gtk_button_new_with_label (" state "));
-  g_signal_connect (btt_toggle_STATE_RULES_DATA, "clicked", G_CALLBACK (on_toggle_STATE_RULES_DATA), no_local_data);
+  GtkButton *btt_toggle_STATE_DATA_RULES = GTK_BUTTON (gtk_button_new_with_label (" state "));
+  g_signal_connect (btt_toggle_STATE_RULES_DATA, "clicked", G_CALLBACK (on_toggle_STATE_RULES_DATA), btt_toggle_STATE_DATA_RULES);
+  g_signal_connect (btt_toggle_STATE_RULES_DATA, "clicked", G_CALLBACK (on_toggle_STATE_DATA_RULES), btt_toggle_STATE_RULES_DATA);
 
 //  GtkButton *observ_interpret = GTK_BUTTON (gtk_button_new_with_label ("data analysis"));
 //  g_signal_connect (observ_interpret, "clicked", G_CALLBACK (on_toggle_observ_interpret), no_local_data);
@@ -187,6 +189,7 @@ void window_header_bar (GtkWindow *window, char *title){
   gtk_header_bar_pack_start (GTK_HEADER_BAR (header_bar), GTK_WIDGET (run_stop_model_exec));
   gtk_header_bar_pack_start (GTK_HEADER_BAR (header_bar), GTK_WIDGET (any_Label));
   gtk_header_bar_pack_start (GTK_HEADER_BAR (header_bar), GTK_WIDGET (btt_toggle_STATE_RULES_DATA));
+  gtk_header_bar_pack_start (GTK_HEADER_BAR (header_bar), GTK_WIDGET (btt_toggle_STATE_DATA_RULES));
 //  gtk_header_bar_pack_start (GTK_HEADER_BAR (header_bar), GTK_WIDGET (observ_interpret));
 
   icons_for_fun (GTK_HEADER_BAR (header_bar));   //  https://iconduck.com/sets/adwaita-icon-theme