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Puzzles and Recreations: Advanced
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Demonstrations 81  100 of 154
Calculus Slalom
Problems in Peg Solitaire
Tangram (Variation)
Hinged Dissection of Four Hexagons into One
Hinged Dissection of an Equilateral Triangle into Two Hexagons
Hinged Dissection of an Equilateral Triangle into a Hexagram
Turn Off the Lights
Truel World
Cipher Encoder
Common Subsequences of Words
Standard and Generalized Versions of the Monty Hall Problem
The Locker Problem
The Mystery of the Disappearing Square
Poker
Equilateral Triangle to Square
Hackers Language
NoFourInPlane Problem
Generating Realistic Baseball Line Scores
Dissecting an Ngram into Two Smaller Ngrams
Dissecting a Dodecagram into Two Hexagrams
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