Some puzzles requiring no knowledge of knot theory, just a careful
inspection of the patterns. A glimpse of the classification of
knots and a little about prime knots, crossing numbers and knot
Investigations based on an Indian game.
All you need for this game is a pack of cards. While you play the
game, think about strategies that will increase your chances of
This game can be played against the computer, or against a friend.
The challenge is to draw three lines to gather as many diamonds as you can.
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