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  • Member for 7 years, 7 months
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59 votes
2 answers
7k views

A puzzling image maze!

18 votes
1 answer
2k views

Squaring a cross

16 votes
4 answers
938 views

Weighing in 2015 different ways

23 votes
3 answers
772 views

Concentrating tokens on an infinite board

16 votes
1 answer
519 views

Where to ask these questions?

6 votes
1 answer
304 views

Squaring a cross one more time

10 votes
1 answer
172 views

Combinatorial Agriculture, part 2