Where is the cleaning of Genshin Impact Hotel?

The cleaning location of Genshin Impact Hotel is as follows:

Tools/materials: Glory V40, Magic UI4.0, Protogod 2.5.

1. First, the first stain is in the corner of the carpet, as shown in the figure below.

2. Then the second stain is in another corner of the carpet, as shown in the figure below.

3. Then the third stain is next to the carpet sofa, as shown in the figure below.

4. Finally, the fourth stain is in front of NPC, as shown in the figure below.