---------------------------
---------------------------
4----4-4-4-----5-5-5-------      x5
4----4-4-4--5--5-5-5-------
2----2-2-2--5--3-3-3-------
------------3--------------


---------------------------
---------------------------
------------7-7-7----------      x4
2-2-2--7-7--7-7-7--5-5-5---
2-2-2--7-7--5-5-5--5-5-5---
0-0-0--5-5---------3-3-3---


---------------------------
---------------------------
4-4-4-4-4-4-4--------------      x2
4-4-4-4-4-4-4--4-4--2-2-2-2
2-2-2-2-2-2-2--4-4--2-2-2-2
---------------2-2--0-0-0-0

I think that's how it goes.