id: 260 yr ( 13, (13, 0, 0, 0)) (( 7.2, 6.8 ), ( 16.7, 15.4 ))
 +40                            +37 
+    +    +    +    +    +    
|                          2008  
|                             
|                             
|                             
+    +    +    +    +    +    
|                             
|                             
|                             
|                             
+    +    +    +    +    +    
|                             
|                             
|                             
|               2020             
+    +    +    +    +    +    
|          2009                  
|                             
|         2010                  
|         201120192018                 
+    +  2014 2017 16    +    +    +    
|       2013 12                     
|      2015                      
|                             
|                             
+    +    +    +    +    +    
|                             
|                             
|                             
|                             
 0----+----+----+----+----+---