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new file mode 100644
index 0000000000000000000000000000000000000000..a9dee42933ab7babde1cad86b3270757d4ab4b9d
--- /dev/null
+++ b/Assets/Masters/C.O/triangle_purple.svg
@@ -0,0 +1,87 @@
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diff --git a/Assets/Masters/C.O/triangle_yellow.svg b/Assets/Masters/C.O/triangle_yellow.svg
new file mode 100644
index 0000000000000000000000000000000000000000..e39ac87fe405a688ec739424e1f9e4050d9b42b1
--- /dev/null
+++ b/Assets/Masters/C.O/triangle_yellow.svg
@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   version="1.1"
+   id="svg846"
+   width="400"
+   height="400"
+   viewBox="0 0 400 400"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
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+       id="rect980"
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+       height="398"
+       x="1"
+       y="1"
+       rx="10"
+       ry="10" />
+  </g>
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+     transform="matrix(0.77539494,0,0,0.77237679,-2420.1636,-520.10241)"
+     id="g2"
+     style="font-variation-settings:'wght' 600;opacity:1;vector-effect:none;fill:#ffff66;fill-opacity:0.698039;stroke:#ffed01;stroke-width:42.8143;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:8;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;-inkscape-stroke:none;paint-order:fill markers stroke;stop-color:#000000;stop-opacity:1">
+    <path
+       d="m 3156.3181,1143.1454 222.8161,-421.65303 222.8162,421.65303 z"
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+       stroke-width="27.5"
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+       fill="#8238ba"
+       fill-rule="evenodd"
+       fill-opacity="0.698039"
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+  </g>
+</svg>
diff --git a/Assets/Resources/C.O/v2/3. circle_purple.png b/Assets/Resources/C.O/v2/3. circle_purple.png
deleted file mode 100644
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diff --git a/Assets/Resources/C.O/v2/3. circle_yellow.png b/Assets/Resources/C.O/v2/3. circle_yellow.png
deleted file mode 100644
index 396e21d914656145157472b91dc7e71958c6b77a..0000000000000000000000000000000000000000
Binary files a/Assets/Resources/C.O/v2/3. circle_yellow.png and /dev/null differ
diff --git a/Assets/Resources/C.O/v2/3. triangle_purple.png b/Assets/Resources/C.O/v2/3. triangle_purple.png
new file mode 100644
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diff --git a/Assets/Resources/C.O/v2/3. triangle_yellow.png b/Assets/Resources/C.O/v2/3. triangle_yellow.png
new file mode 100644
index 0000000000000000000000000000000000000000..7da485f69fb0641ba02274acc2082fe7bb113f1e
Binary files /dev/null and b/Assets/Resources/C.O/v2/3. triangle_yellow.png differ
diff --git "a/Assets/Resources/trans3_posttests-fusionn\303\251.json" "b/Assets/Resources/trans3_posttests-fusionn\303\251.json"
index 308eec835a8fc46806fa05d7415f5e5b93ff71f4..9157694fe81240f12b4f0e381bdf511c408bcf38 100644
--- "a/Assets/Resources/trans3_posttests-fusionn\303\251.json"
+++ "b/Assets/Resources/trans3_posttests-fusionn\303\251.json"
@@ -2156,11 +2156,11 @@
 		"C.V.2.Shp_slp": {
 			"img_path": "C.O/v2/2. sheep_sleep"
 		},
-		"C.V.3.Crcl_prpl": {
-			"img_path": "C.O/v2/3. circle_purple"
+		"C.V.3.Trngl_prpl": {
+			"img_path": "C.O/v2/3. triangle_purple"
 		},
-		"C.V.3.Crcl_yllw": {
-			"img_path": "C.O/v2/3. circle_yellow"
+		"C.V.3.Trngl_yllw": {
+			"img_path": "C.O/v2/3. triangle_yellow"
 		},
 		"C.V.3.MnPrpl": {
 			"snd_path": "C.O/v2/3. moon purple",
@@ -16080,13 +16080,13 @@
 							"choix": [
 								{
 									"id": "Purple circle",
-									"image": "C.V.3.Crcl_prpl",
+									"image": "C.V.3.Trngl_prpl",
 									"description": null,
 									"correct": false
 								},
 								{
 									"id": "Yellow circle",
-									"image": "C.V.3.Crcl_yllw",
+									"image": "C.V.3.Trngl_yllw",
 									"description": null,
 									"correct": false
 								},
@@ -20919,4 +20919,4 @@
 			]
 		}
 	]
-}
\ No newline at end of file
+}