I had 3 post searching for a new place and a roomate. Now I've found my place and don't need the ads. But I was not able to delete those posts, since it is restricted. Could you help delete those unnecissary message to avoid further confusion? Thank you!

It is posted within 枫下广告区
Since I needed to update the info but Modify didn't work, I ended up with 3 posts, and the message numbers are:
#320727
#320674
#320659

afterwards please feel free delete this message (326877) as well.