id: 109 yr ( 7, (2, 0, 4, 1)) (( 7.1, 7.6 ), ( 1.5, 1.8 ))
 +17            |                  +15 
             |                   
             |                2018  
   +    +    +    +    +    +    
             |                   
             |                   
             |                   
             |                   
   +    +    +    +    +    +    
             |                   
             |                   
             |                   
             |                   
   +    +    +    +    +    +    
             |                   
             |                   
             |                   
             | 2012                 
   +    +    +    +    +    +    
             2013                   
             |                   
            |                   
             |                   
---+----+----+----+----+----+----
        2017    |                   
             |                   
             |                   
     2014       |                   
   + 2016  +    +    +    +    +    
             |                   
  2015          |                   
             |                   
 -6            |                  -10