------------------------------------------------------------------|
-----------0---2--------------------------------------------------|
---2-1-4-2---4-------1-2-4---4-2-1--------------------------------|  x4
-3-----------------3-------3--------------------------------------|


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