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  • Member for 4 years, 11 months
  • Last seen more than a month ago
17 votes
14 answers
2k views

We do tower hopping

15 votes
24 answers
2k views

I am greater than you! [duplicate]

14 votes
25 answers
2k views

Hopping numbers

5 votes
12 answers
436 views

Help me redirecting

3 votes
1 answer
259 views

Did you hear about alphametics? [duplicate]

1 vote
3 answers
252 views

Havel-to-da-Hakimi [duplicate]

-2 votes
8 answers
387 views

Where are my pennies?

-10 votes
28 answers
478 views

What are these letters?