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Originally posted by: DanielB
Because, even if the dots are specks, you can still use the thickness of your pencil to make the line go over the specks while soaping down in a big Z. You have to remember this question is not based on dots that are specks and have no width, it's based on practical dots and a practical pencil; both of which do have width. I have drawn the three line solution on paper before, so I know it is a perfectly practical solution.
Yes, but it's not mathematically accurate.