I was able to do it like this:
Posting Kanban 2.transform (4.4 KB)
But it is quite kludgy as you have to manually set the Offset transforms according to the data. Maybe someone can think of a better way without the Offsets?
It will be much easier when we add the new Slide transform, as discussed here:
Hopefully that will be in the next week or two.
Incidentally, our Hyper Plan software is great for Kanban. If I make your data into a CSV and file>open it in Hyper Plan I can get this in a few clicks: