id: 235 yr ( 10, (9, 1, 0, 0)) (( 4.0, 4.2 ), ( 4.9, 10.0 ))
 +10 +    +    +    +    +    +   +16 
  |                             
  |                          2020  
  |                             
  |                         2018   
  +    +    +    +    +   2016+    
  |                             
  |                     2019 11       
  |                             
  |                             
  +    +    +    +    +    +    
  |               2014            
  |                             
  |              2013  2017           
  |                             
  +    +    +    +    +    +    
  |            2012                
  |                             
  |                             
  |                             
--+----+----+----+----+----+----
  |                             
  |                             
  |                             
  |                             
  +    +    +    +    +    +    
  |                             
  |                             
  |                             
  2015                             
  +    +    +    +    +    +    
 -5 |