Update README.md

README.md

@@ -53,6 +53,20 @@ We reimplemented the benchmark in Python using `matlab.engine`, converting the o
 
 ---
 
+## 🖼️ Example Visualization: Terrain53
+
+Below is an example of one benchmark instance (`Terrain53`) under the sparse threat scenario.
+
+<p align="center">
+  <img src="img/terrain53.png" alt="Terrain53 3D View" width="45%" style="display: inline-block; margin-right: 10px;">
+  <img src="img/terrain53_view.png" alt="Terrain53 2D Projection" width="45%" style="display: inline-block;">
+</p>
+
+- **Left:** 3D terrain surface with elevation and cylindrical threats (obstacles).
+- **Right:** 2D top-down projection with start (bule) and goal (yellow) points visualized.
+
+---
+
 ## 📄 Citation
 
 If you use this dataset in your research, please cite the original paper:
@@ -64,16 +78,4 @@ If you use this dataset in your research, please cite the original paper:
   journal={arXiv preprint arXiv:2501.14503},
   year={2025}
 }
-```
-
-## 🖼️ Example Visualization: Terrain53
-
-Below is an example of one benchmark instance (`Terrain53`) under the sparse threat scenario.
-
-<p align="center">
-  <img src="img/terrain53.png" alt="Terrain53 3D View" width="45%" style="display: inline-block; margin-right: 10px;">
-  <img src="img/terrain53_view.png" alt="Terrain53 2D Projection" width="45%" style="display: inline-block;">
-</p>
-
-- **Left:** 3D terrain surface with elevation and cylindrical threats (obstacles).
-- **Right:** 2D top-down projection with start (bule) and goal (yellow) points visualized.
+```