1)--------------------10--12-------------------------------- 
2)----------------10---------10-12-10^------------------ 
3)--9-11-9-11---------------------------------------------- 

1)-----------------------10--12-14-12-14--17-17^---------- 
2)-------------------10--------------------------------------------- 
3)-11-9-11-9-11------------------------------------------------ 

1)-----------------------10--12-10-12-14----------------------
 2)-------------------10-----------------------12-10-10^-------- 
3)-11-9-11-9-11------------------------------------------------- 

1)----------------------10--12-14-12-14^------------------ 
2)-------------------10------------------------------------------ 
3)-11-9-11-9-11----------------------------------------------