I don't know if this will help..
Add an instance var to the red buttons as well as button_place in the editor changing the var to a unique no. so the first red button would be 0
<img src="http://s20.postimage.org/mnuvh8ial/help2.png" border="0" />
next depending on what you want to do you can add sub conditions to your overlap...
<img src="http://s20.postimage.org/4z7q3cvx9/help1.png" border="0" />