id: 230 yr ( 10, (3, 0, 4, 3)) (( 9.3, 9.0 ), ( 1.5, 3.7 ))
 +19                 |              +14 
                  |               
                  |            2011  
                  |               
   +    +    +    +    +    +    +
                  |               
                  |               
                  |               
                  |               
   +    +    +    +    +    +    +
                  |   2012           
                  |               
                  |  2017            
                  |               
   +    +    +    +    +    +    +
                  |               
                2018 |               
              2016 13   |               
                 |               
---+----+----+----+----+----+----+
            2015 14     |               
                  |               
                  |               
                  |               
   +    +    +    +    +    +    +
                  |               
                  |               
                  |               
                  |               
   +    +    +    +    +    +    +
                  |               
   2019              |               
  2020               |               
                  |               
 -14  +    +    +    +    +    +    -18