It can be solved like a puzzle, as there is one key only to understand to win. So, the trick can be seen by studying the board before to start pushing and I like that.
(12 years ago) Good level ! 9 tries.
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EDIT 2023, 23rd Jan. I finally found the last two steps, here, again. What a great save, of the two! :))
It was a really huge mess in my head from all these white 304s, lurking all around. LOL :)))