id: 102 yr ( 7, (6, 0, 1, 0)) (( 9.4, 8.9 ), ( 9.9, 1.7 ))
 +16                     |         +8 
                      |          
                      |       2012  
  +    +    +    +    +    +    +
                      |    2015 142013    
                      |   2016      
                      |   2017      
                      |          
  +    +    +    +    +   +    +
                      |          
                      |          
                      |          
                      |          
  +    +    +    +    +    +    +
                      |          
                      |          
                      |          
                      |          
--+----+----+----+----+----+----+
                      |          
                      |          
                      |          
                      |          
  +    +    +    +    +    +    +
                      |          
                      |          
                      |          
                      |          
  +    +    +    +    +    +    +
                      |          
                      |          
  2018                   |          
                      |          
 -13 +    +    +    +    +    +    -20