|----------------------------------7-----------------------------------------|
|--------------8--------10--------------8---------------10----8----8----7----|
|--------10-------------------8--------------8----10-------------------------|
|--10------------------------------------------------------------------------|


                                                                                                   
-------------------------10----8----7--5--7-----------------------------------|
--------------8----10------------------------8--------------------------------|
--------10--------------------------------------10----15----15----13----10----|
--10--------------------------------------------------------------------------|