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Can you connect 9 dots laid out 3x3 using 4 straight lines, without lifting your pencil from the paper? ... Can you do the puzzle if the lines do not cross each other?
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mathforum.org/k12/k12puzzles/join.dots.html
mathforum.org/k12/k12puzzles/join.dots.html
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Question: THE FOLLOWING PUZZLE CAN ONLY BE DRAWN BY NOT LIFTING YOUR PEN OR PENCIL AND NOT TRACING OVER ANY LINES. THIS ONE HAS BUGGED ME FOR AGES AND I WAS TOLD THAT IT IS POSSIBLE AND YOU HAVE TO THINK OUTSIDE OF THE BOX.
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www.puzzles.com/puzzlehelp/puzzlehelpitems49_60.htm
www.puzzles.com/puzzlehelp/puzzlehelpitems49_60.htm
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Home / Puzzle Projects / Puzzle Help / ... Is it possible to draw the pattern shown on the left in one continuous line without lifting your pencil off the paper? You are not allowed to go over any part of the line twice, or cross it.
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www.puzzles.com/PuzzleHelp/Top10.htm
www.puzzles.com/PuzzleHelp/Top10.htm
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Without lifting your pencil (until you finish of course) draw on a regular 8.5 x 11 piece of paper. You must make a complete circle, and a second circle inside of the first. The circles cannot connect. The line made by the pencil must be co...
http://wiki.answers.com/Q/Pencil_puzzles_with_out_lifti...
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; What does the Isis puzzle look like inside? ... Jiglight? (you know, kind of like Jigsaw?) There is not going to be a right answer to this one, but I thought I'd give a shot at... ... ; How do you connect nine dots with four lines without lifting your pencil?
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wiki.answers.com/Q/FAQ/3996
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The 6x6 puzzle was published in a Japanese book by Gisaku Nakamura. Harry Nelson has informed me that most ... On (2N)x(2N) grid, N>=2, Using 4N-2 continuous lines, and not lifting your pencil from the paper, can go through all the dots of a (2N)x(2N) grid, ending at the same place started. And can visit each dots just once.
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www.mathpuzzle.com/dots.html
www.mathpuzzle.com/dots.html
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Puzzles of all sorts for sale and a free to try Bible puzzle software. ... Pencil puzzles with a point. ... The Ultimate Sudoku Guide; Learn Solving strategies and Insider Secrets of Solving Sudoku Puzzles.
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www.pencilpuzzles.com/
www.pencilpuzzles.com/
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For this puzzle, you should literally try to think outside the box. ... Remember, try not to scroll down. See if you can finish the puzzle without peeking. ... The puzzle says nothing about not crossing lines.
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www.mazes.com/NineDotsFourLines.html
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It is not possible to draw the whole of it without lifting the pencil from the paper or going over the same line twice. The puzzle is to find out just how much of the drawing it is possible to make without lifting your pencil or going twice over the same line.
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www.web-books.com/Classics/Books/B0/B873/AmuseMathC7P1....
www.web-books.com/Classics/Books/B0/B873/AmuseMathC7P1.htm
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