Ēš
                        8

 Ēš      
    
 Ēš        
                      7
       

          

  Ēš
          6

 ĒšĒš   ĒšĒš
                                                    5                                                      4
 ĒšĒš   ĒšĒš
                                                     3                                                     2
 ĒšĒš
                                                    1