diff --git a/src/lrusecurity_Displayer.cpp b/src/lrusecurity_Displayer.cpp
index e2b97c960866f08980057db08d7f54abf2c07119..5d17cf1f682644540669b2f522ef68ddca397873 100644
--- a/src/lrusecurity_Displayer.cpp
+++ b/src/lrusecurity_Displayer.cpp
@@ -7,7 +7,7 @@
 #include <otawa/prog/Process.h>
 #include <lruexact/features.h>
 //#include "SecCFGOutput.h"
- using namespace otawa;
+using namespace otawa;
 
 namespace lrusecurity
 {
@@ -57,7 +57,7 @@ protected:
 
 			_out.setStream(*_stream);
 		}
-		_out << "ACCESS\t\tKIND\tCATEGORY\tBB\t";
+		_out << "ACCESS\t\tKIND\tCATEGORY\t\tBB\t";
 		if(_line)
 			_out << "\tLINE";
 
@@ -105,19 +105,29 @@ protected:
 		}
 			_out << "UNSAFE ";
 			int set = otawa::icat3::LBLOCK(access)->set();
+
+            int number = 0;
 			if (bb->hasProp(EXIST_HIT_PREV_IN)) {
 			  ACSSecurity prev = (*EXIST_HIT_PREV_IN(bb))[set];
 			  int index = otawa::icat3::LBLOCK(access)->index();
-			  for (int i = 0; i < prev[index].size(); i++)
-			    _out << prev[index][i];
+              number = prev[index].size();
+			  for (int i = 0; i < number; i++)
+			    _out << prev[index][i] << "\n\t\t\t\t\b";
+
+              // REMONTEE
+			  for (int j = 0; j < number; j++)
+                _out << "\033[1A";
+
 			}
-		
-	        
-       		  _out << "\t\t";
-		_out << "BB " << bb->index() << "\t\t";
+
+		_out << "\t\t\tBB " << bb->index() << "\t\t";
 		printLine(ws, bb->address(), bb->topAddress().offset());
-		_out << io::endl;
-	       }
+
+      // DESCENTE
+      for (int i = 0; i < number-1; i++)
+        _out << "\n//";
+      _out << io::endl;
+    }
 	}
 
 	void printLine(WorkSpace* ws, Address begin, Address::offset_t offset)