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  • Member for 8 years, 11 months
  • Last seen more than 7 years ago
59 votes
2 answers
7k views

A puzzling image maze!

23 votes
3 answers
797 views

Concentrating tokens on an infinite board

19 votes
1 answer
2k views

Squaring a cross

16 votes
1 answer
528 views

Where to ask these questions?

16 votes
4 answers
948 views

Weighing in 2015 different ways

10 votes
1 answer
180 views

Combinatorial Agriculture, part 2

7 votes
1 answer
381 views

Squaring a cross one more time