diff --git a/v1.3.1/s12/s12_t01_fon_2012-06-21.txt b/v1.3.1/s12/s12_t01_fon_2012-06-21.txt
index d0b09f5..6d464c4 100644
--- a/v1.3.1/s12/s12_t01_fon_2012-06-21.txt
+++ b/v1.3.1/s12/s12_t01_fon_2012-06-21.txt
@@ -1,20 +1,3 @@
-Rapport Jeu de Test 24
-
-
-Conditions :
-
-Heure du test : 15h20
-Temperature: 22.2° C
-Humidity: 64
-Test effectué : Scénario 12, test #1
-
-taille des paquets : 116
-
-
-Positions exactes :
-
-Position 3 (5;1;0.82) : Ligne 5 timestamp 1270521669.26306 - Ligne 124 timestamp 1270521729.462665880
-
-Position 4 (1;1;0.82) : Ligne 177 timestamp 1270521782.28552 - Ligne 294 timestamp 1270521841.710020217
-
-Position 5 (2.5;5.5;0.82) : Ligne 355 timestamp 1270521901.74696 - Ligne 469 timestamp 1270521960.98659
+The files _opposite are for measurements made with the capture points'
+antennas pointing towards the opposite wall; the files _circle are for
+measurements made when the antennas are disposed in a “circle”.
diff --git a/v1.3.1/s12/s12_t02_fon_2012-06-21+coord.agg b/v1.3.1/s12/s12_t01_fon_2012-06-21_circle+coord.agg
similarity index 100%
rename from v1.3.1/s12/s12_t02_fon_2012-06-21+coord.agg
rename to v1.3.1/s12/s12_t01_fon_2012-06-21_circle+coord.agg
diff --git a/v1.3.1/s12/s12_t02_fon_2012-06-21.agg b/v1.3.1/s12/s12_t01_fon_2012-06-21_circle.agg
similarity index 100%
rename from v1.3.1/s12/s12_t02_fon_2012-06-21.agg
rename to v1.3.1/s12/s12_t01_fon_2012-06-21_circle.agg
diff --git a/v1.3.1/s12/s12_t02_fon_2012-06-21.txt b/v1.3.1/s12/s12_t01_fon_2012-06-21_circle.txt
similarity index 61%
rename from v1.3.1/s12/s12_t02_fon_2012-06-21.txt
rename to v1.3.1/s12/s12_t01_fon_2012-06-21_circle.txt
index c605fda..b81a12e 100644
--- a/v1.3.1/s12/s12_t02_fon_2012-06-21.txt
+++ b/v1.3.1/s12/s12_t01_fon_2012-06-21_circle.txt
@@ -1,17 +1,8 @@
-Rapport Jeu de Test 25
+/!\ The Listener 00:18:84:D0:2A:E9 has not been started!
 
-
-The Listener 00:18:84:D0:2A:E9 has not been started!
-
-
-Conditions :
-
-Heure du test : 15h02
-Temperature: 22.2° C
-Humidity: 64
-Test effectué : Scénario 12, test #2
-
-taille des paquets : 116
+Hour: 15:02
+Temperature: 22.2°C
+Humidity: 64%
 
 
 Positions exactes :
diff --git a/v1.3.1/s12/s12_t01_fon_2012-06-21+coord.agg b/v1.3.1/s12/s12_t01_fon_2012-06-21_opposite+coord.agg
similarity index 100%
rename from v1.3.1/s12/s12_t01_fon_2012-06-21+coord.agg
rename to v1.3.1/s12/s12_t01_fon_2012-06-21_opposite+coord.agg
diff --git a/v1.3.1/s12/s12_t01_fon_2012-06-21.agg b/v1.3.1/s12/s12_t01_fon_2012-06-21_opposite.agg
similarity index 100%
rename from v1.3.1/s12/s12_t01_fon_2012-06-21.agg
rename to v1.3.1/s12/s12_t01_fon_2012-06-21_opposite.agg
diff --git a/v1.3.1/s12/s12_t01_fon_2012-06-21_opposite.txt b/v1.3.1/s12/s12_t01_fon_2012-06-21_opposite.txt
new file mode 100644
index 0000000..0604c9b
--- /dev/null
+++ b/v1.3.1/s12/s12_t01_fon_2012-06-21_opposite.txt
@@ -0,0 +1,12 @@
+Hour: 15:20
+Temperature: 22.2°C
+Humidity: 64%
+
+
+Positions exactes :
+
+Position 3 (5;1;0.82) : Ligne 5 timestamp 1270521669.26306 - Ligne 124 timestamp 1270521729.462665880
+
+Position 4 (1;1;0.82) : Ligne 177 timestamp 1270521782.28552 - Ligne 294 timestamp 1270521841.710020217
+
+Position 5 (2.5;5.5;0.82) : Ligne 355 timestamp 1270521901.74696 - Ligne 469 timestamp 1270521960.98659