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Demonstrations 181  200 of 448
Coldice Puzzle 2
Coldice Puzzle
Crisscross Puzzle
Doors Puzzle
Dissecting the Net of an Octahedron to the Net of a Tetrahedron
Theobald's Dissection of the Net of a Cube to the Net of a Regular Tetrahedron
Tiling with Pentominos
Area Maze
Devilish Mazes
JugtoSquare Dissection
3D Mazes
Mondrian Puzzles
The 12x12 Queens Problem
Knights and Knaves Puzzle Generator with Not All Statements Determined
Rowing to Shore and Then Running Away
The Ladder around the Corner Problem
TwistHinged Dissection That Doubles the Sides of a Polygon
Dissecting a Cross of Lorraine to a Greek Cross
Elementary Chess Endings: Mate in One
Halving the Perimeter of a HeartShaped Curve
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