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Active 1 Bountied Hot Week Month
4 votes
2 answers
209 views

Four-cornered cow inheritance

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Parcly Taxel
  • 7,301
10 votes
1 answer
527 views

Secret number magic trick

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Will Octagon Gibson
  • 7,938
11 votes
1 answer
411 views

Sending the rookie shopping

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SQLnoob
  • 7,932
15 votes
2 answers
2k views

Find the heaviest and the second heaviest coins

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Will Octagon Gibson
  • 7,938
2 votes
0 answers
139 views

Place numbers 1 through 9 in boxes (☐☐×☐=☐☐+☐☐=☐☐)

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bobble
  • 10.2k
26 votes
6 answers
4k views

Find a chess position that can occur twice but not thrice in a single game

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Laska
  • 1,909
10 votes
5 answers
2k views

5 points on a ball, divide the ball into 2 halves so that one half as exactly 4 points

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bobble
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21 votes
4 answers
2k views

The 2 million, er, 20 dollar problem

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Evargalo
  • 6,270
3 votes
1 answer
212 views

Creating a clever hemisphere

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Umesh Shankar
  • 276
8 votes
1 answer
426 views

Light Up (Akari), but on a real projective plane!

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oAlt
  • 6,402
4 votes
4 answers
342 views

How to make 2012 by using 2, 0, 1, 2?

TLE on test 77's user avatar
TLE on test 77
  • 31
0 votes
1 answer
2k views

The swap puzzle

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CommunityBot
  • 1
-1 votes
0 answers
130 views

Flee the Bandits, part 2

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Ichthys King
  • 1,235
2 votes
1 answer
134 views

What can I deduce next about this daily Light Up (Akari) puzzle? (Feb. 22, 2024, 7x7 Hard)

bobble's user avatar
bobble
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