id: 229 yr ( 5, (1, 2, 2, 0)) (( 9.5, 9.5 ), ( 6.1, 3.1 ))
 +9            |                   +18 
             |                    
   +    +    +    +    +    +  2014 +
             |                    
             |                    
             |                    
             |                    
   +    +    +    +    +    +    +
             |                    
             |                    
             |                    
             |                    
---+----+----+----+----+----+----+
             |                    
             |        2013           
             |                    
             |                    
   +    +    +    2012    +    +    +
             |                    
             |                   
             |                    
             |                    
   +    +    +    +    +    +    +
             |                    
             |                    
             |                    
             |                    
   +    2011    +    +    +    +    +
             |                    
             |                    
             |                    
  2015          |                    
   +    +    +    +    +    +    +
 -19            |                   -10