(14 years ago) Again, cannot say if it is optimal or not, but I find one trick which looks weird to me. And again, one lock tricked me in my first few tries because I thought it was "another type" of lock, haha.
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(13-11-2022) Now, giving the 5 stars that this level should have. I was 10 off for some time - I missed the 2 cuts everywhere. So difficult to see them amongst the many options, really felt like demented.