1---------------------------------------------------------------------------------------------
2--------------------8-----------------------------------------------5-6-5-----------------
3----5>7----7>9-----7>9----5-7--------------5>7--5--5--7---------5--7>9-------
4--------------------------------------5>7<5--5------------------------------------------
5--------------------------------------------------------------------------------------------
6--------------------------------------------------------------------------------------------

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----9-10>12----10-9-10>12---12>14---12------------------------------------------
-----------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------
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-----------------------------------------------------------------12-13---12----------------
--------------13-------13>15--15>17--13-----------13----------------15-----13----
----12--14------14----------------------------12--14------------------------------------
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