Kakuro Puzzle 1 - 6x6 - Step 6

 
   
4  
   
22  
 
   
16  
   
3  
  3
   
1 2
  6
16  
   
  18
   
3        
 
  23
17  
     
   
14  
  9
   
8  
  6
   
1 5
  15
   
   
  12
   
3 9

Lets turn our attention to the highlighted squares. We can see that they need to add up to 17 so our only numbers are 8 and 9. Due to the 9 by it the 8 has to appear in the top square.

Click here for step 7