id: 289 yr ( 5, (1, 4, 0, 0)) (( 2.1, 2.2 ), ( 2.8, 2.4 ))
 +1 |                          +7 
  +    +    +    +    +    +  
  |                        2011  
  |                           
  |                           
  |                           
--+----+----+----+----+----+--
  |                           
  |                           
  |                           
  |                           
  +    +    +    +    +    +  
  |                           
  |                           
  |                           
  |                           
  +    +    +    +    +    +  
  |                          
  |           2015 12               
  |                           
  |                           
  +    +    +    +    +    +  
  |                           
  |                           
  |                           
  |                           
  +    +    +    +    +    +  
  2014   2013                       
  |                           
 -5 |