question: If the buses in the left and right images are displayed horizontally and back-to-back.
#1 return left image 
#2 return buses in  #1 
#3 return #2 that are displayed horizontally 
#4 return if  #3 are displayed back-to-back 
#5 return right image 
#6 return buses in  #5 
#7 return #6 that are displayed horizontally 
#8 return if  #7 are displayed back-to-back 
#9 return if  both  #4 and #8 are true