id: 331 yr ( 12, (11, 0, 1, 0)) (( 3.7, 3.5 ), ( 7.3, 6.1 ))
 +12  +    +    +    +    +    +    +12 
        |                         
        |                      2020  
        |                         
        |                         
   +    +    +    +    +    +    +
        |          2009   2010 2016        
        |                         
        |              2017          
        |                         
   +    +    +    +  2011 2019    +    +
        |                        
        |        2014                
        |                         
        |       20122013                
   +    +    +    +    +    +    +
        |       2015                 
        |                         
        |                         
        |                         
   +    +    +    +    +    +    +
        |                         
        |                         
        |                         
        |                         
---+----+----+----+----+----+----+
        |                         
        |                         
        |                         
        |                         
   +    +    +    +    +    +    +
  2018     |                         
        |                         
 -4       |                        -3