Try this

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---------------------------------------------8------10------7----9---------
----8------10-----7-------9------------------------------------------------
----------------------------------------7--------9-------------8-----10----
-7------9-------------8-------10-------------------------------------------



---------------------------------------------8------10------7----9---------
----8------10-----7-------9------------------------------------------------
----------------------------------------7--------9-------------8-----10----
-7------9-------------8-------10-------------------------------------------
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------

--7----9-----------------8-------10---------------------------------------
-----------------------------------------7------9-------------8-----10----
-----8-----10-------7-------9---------------------------------------------
----------------------------------------------8-----10-----7------9-------
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----------------------------------------------------------------------------
----------------------------------------------------------------------------
--7----9-----------------8-------10---------------------------------------
-------------------------------------------7------9-------------8-----10--
-----8-----10-------7-------9---------------------------------------------
-----------------------------------------------8-----10-----7------9------


up to 130bpm


HARD B)

That looks hard. Kinda remind me of Jason's string skipping exercise.