Diagon/test/Math/sum/output

 c              
___             
╲               
╱   a           
‾‾‾             
 b              
                
 100            
 ___            
 ╲     2        
 ╱    x         
 ‾‾‾            
x = 1           
                
 100            
____            
╲               
 ╲    1         
 ╱    ─         
╱     2         
‾‾‾‾            
x = 1           
                
 100            
____            
╲      2        
 ╲    x         
 ╱    ──        
╱      2        
‾‾‾‾            
x = 1           
                
      c         
     ___        
     ╲          
     ╱       a  
     ‾‾‾        
bbbbbbbbbbbb    
                
 c              
___             
╲               
╱   aaaaaaaaaaaa
‾‾‾             
 b              
                
cccccccccccc    
     ___        
     ╲          
     ╱       a  
     ‾‾‾        
      b