i can say the hardest level is the 333 1 333 one
which look like this
x x x x
333
1
0000
0000000
That level is built different
hardest is definitely subjective. I found the trick to that one pretty quickly, but hit my head against the wall for a while in the II room.
if you have hints, don't keep them to yourself!
Completely stuck on this one, tbh
hint
^
<333>
<313>
v
I believe I understand that one. Could I get a second one as well? Heh.
1 3 3 3
oh!!!!!!!!!!
I knew I had to be missing something extremely simple. I just couldn't think what. thank you.