13 days later

I would categorise this as extreme. @andy may have hit a low block count solution quickly, but I found it difficult.
Also it is unusual for @Tom to need that many blocks.

It is a nice level, with diverse solutions.

I love your solution @ColonelFazackerley .
I think the fact that there are 3 different solutions and at least one is quite simple supports my view that this is hard, not extreme.
My mental model for extreme is basically "no-one could reasonably be expected to solve this"

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