id: 282 yr ( 9, (9, 0, 0, 0)) (( 3.8, 4.8 ), ( 17.3, 10.9 ))
 +28                          +25 
+    +    +    +    +    +  
|                        2020  
|                           
|                           
|                           
+    +    +    +    +    +  
|                           
|                           
|                           
|                           
+    +    +    +    +    +  
|                           
|         2016 122018 17                
|        2015                  
|       20132019                  
+    + 2014  +    +    +    +  
|                           
|                           
|                           
|                           
+    +    +    +    +    +  
|                           
|                           
|                           
|                           
+    +    +    +    +    +  
|                           
|                           
|                           
|                           
 0----+----+----+----+----+-