id: 197 yr ( 12, (6, 0, 5, 1)) (( 9.4, 9.9 ), ( 2.3, 1.4 ))
 +15    +    +    +    +    +    +   +13 
                    |              
                    |           2021  
                    |              
                    |              
+    +    +    +    +    + 2019 18 16  +    
                    |              
                    |    2015         
                    |  2017           
                    |              
+    +    +    +    +    +    +    
                  2010 |              
                    |              
                   |              
                    |              
+----+----+----+----+----+----+----
                    |              
             2011      |              
                    |              
             2020      |              
+    +    +    +    +    +    +    
                    |              
         2012          |              
                    |              
                    |              
+    2014    +    +    +    +    +    
                    |              
                    |              
                    |              
  2013                 |              
+    +    +    +    +    +    +    
 -15                   |             -19