id: 305 yr ( 10, (8, 0, 2, 0)) (( 10.2, 10.1 ), ( 7.2, 6.2 ))
 +30    |                           +29 
     |                            
     |                         2011  
     |                            
+    +    +    +    +    +    +   
     |                            
     |                            
     |                            
     |                            
+    +    +    +    +    +    +   
     |                            
     |                            
     |               2012            
     |                            
+    +    +    +   2014+    +    +   
     |                            
     |                            
     |                            
     |                            
+    +    +    +    +    +    +   
     |                            
     |                            
     |                            
     |                           
+    +  2013 +    +    +    +    +   
     |                            
     | 2016                          
     |2017                           
     20202018                           
+----+----+----+----+----+----+---
     |                            
  2015  |                            
  2019  |                            
     |                            
 -3    +    +    +    +    +    +  -4