Done Do your elimations & this puzzle solves itself

start

ding

dng

look
when you thought
it couldn't be
much worse

look
it is
much worse
than you thought

look

(fragment of poem by Bert Schierbeek,1972)

irv, I tried doing my eliminations as you suggested but when I returned from the bathroom the puzzle had done nothing towards solving itself.

lol

MrOoijer, which of his books is that from?

Didn't go down easily for me. There was a block virtual that was hard to see. But that didn't end the difficulties. But did it no green no guess. 20.

start

No greens and no guesses Medium ... a bit long ... but pretty easy :)