id: 178 yr ( 7, (3, 4, 0, 0)) (( 8.0, 6.8 ), ( 2.3, 6.8 ))
 +21                           +22 
+    +    +    +    +    +   
|                         2008  
|                            
|                            
|                            
+    +    +    +    +    +   
|                            
|                            
|                            
|                            
+    +    +    +    +    +   
|                            
|                            
|                            
|                            
+    +    +    +    +    +   
|                            
|                            
|           2010                
|                            
+    +    +    +    +    +   
|                            
|                           
|    2009                       
|                            
+----+----+----+----+----+---
|     2011                      
|                            
|                            
| 2012                          
+ 2014 13  +    +    +    +    +   
|                            
 -5