question: If all of the binders are stacked with only the ends showing.
#1 return binders 
#2 return #1 that are stacked 
#3 return ends of #2 
#4 return #2 where  only #3 are showing 
#5 return number of  #4 
#6 return number of  #1 
#7 return if  #5 is equal to  #6