---------------------------
---------------------------  <----Repeat a few times
--3-----3---4--3-----------
-----3-----3---------------


The cool part:


------4--5--7--9999--7--5-----9999---7--5-------------------------------------
---5-----------------------5---------------5----------------------------------
----------------------------------------------5--5--7--5----------------------
------------------------------------------------------------------------------


------4--5--7--9999--7--5-----9--7--5--5--------------------
---5-----------------------5--------------7--5--5-----------
---------------------------------------------------5--7--3--
------------------------------------------------------------


And then it's back to the first part.