-----------------------------------------------------------------
-----------------------------------------------------------------
-9--11--13----9--11--14--13-11-----9--11--13----9--11--14--13-11-
-----------------------------------------------------------------
-----------------------------------------------------------------
-----------------------------------------------------------------

-----------------------------------------------------------------
-16--14-13-14--16--14--13--14--------------------------------------
------------------------------13-13-13-13-13-14-13-11--11-11-11-9
-----------------------------------------------------------------
-----------------------------------------------------------------
-----------------------------------------------------------------

-----------------------------------------------------------------
-----------------------------------------------------------------
-11-11-12-11-----------------------------------------------------
-----------------------------------------------------------------
-----------------------------------------------------------------
-----------------------------------------------------------------

an easier way

---0--2---4-----0--2--5--4--2------0--2--4------0--2--5---4---2--
-----------------------------------------------------------------
-----------------------------------------------------------------
-----------------------------------------------------------------
-----------------------------------------------------------------
-----------------------------------------------------------------

---7---5---4--5--------7---5--4--5-------7--5--4--5--------------
-----------------------------------------------------------------
-----------------------------------------------------------------
-----------------------------------------------------------------
-----------------------------------------------------------------
-----------------------------------------------------------------

----4--4--4--4--5--5-4---2--2--2--2--3--3-2--0------------------------
-----------------------------------------------------------------
-----------------------------------------------------------------
-----------------------------------------------------------------
-----------------------------------------------------------------
-----------------------------------------------------------------taj