this is finished off from james newtons version |-------------------------------------------| |-------------------------------------------| |------------0--2-----2--1-----1--0-----0---| |---0--2--3--------3-------2---------1------| |-------------------------------------------| |-------------------------------------------| |-----------------------------------------| |-----------------------------------------| |------------0--2-----2--5--4--2--0--2--4-| |---0--2--3--------3----------------------| |-----------------------------------------| |-----------------------------------------|