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Sep
26
Sep 26
The Soma Cube and Pentominoes
Alaric Stephen
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Sep 27
7, 9, 12, ?, 24, 36, 56, 90
Sep 25
Planes Around the World
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Oct
7
Oct 7
100 Prisoners and a Lightbulb
Jun
26
Jun 26
The Two Trains
Sep
29
Sep 29
Cubing a Cube Proof
