Help me creat this floor plan only use grasshopper

I’ve tried using fillet and shatter these 2 components but I still can not figure it out. Who can help me out?

I am stuck on this step, 3 rounded corners, and 1 right angle. I have tired some ways.

2022 2 BED Villa 3D Design.dwg (477.9 KB)
gh (37.4 KB)