Unsolved Problems
- #36
What’s the Answer Makey?
- #45
One of Us
- #48
Mr Garrison Can't Get a Period
- #248
Largest Angle
- #8
Summation of Primes
- #249
Mysterious Figure
- #55
Double Devils
- #250
Random Expectations
- #167
The Perfectionist Yagami
- #215
Go for Gold
- #4
Palindromes
- #12
Prime Gaps
- #57
Smallest Perimeter
- #195
Flip 'em all
- #41
Cartman Loves One Direction