id: 312 yr ( 11, (11, 0, 0, 0)) (( 1.7, 1.8 ), ( 9.4, 5.7 ))
 +13                      +9 
|                       
|                    2019 18  
|                       
+    +    +    +2016   +   
|                       
|             2015 11         
|                       
|        2014 2012           
+    +    +    +    +   
|                       
|        2013 2020            
|                       
|      2017 2021              
+    +    +    +    +   
|                       
|                       
|                       
|                       
+    +    +    +    +   
|                       
|                       
|                       
|                       
+    +    +    +    +   
|                       
|                       
|                       
|                       
 0----+----+----+----+--