# Task 8.3

Can nails be hammered into the centers of 16 cells of an $8 \times 8$ chessboard so that no three nails lie on the same straight line?

## Number of points 7
Answer:

yes

## Solution

See the figure:

![](https://cdn.mathpix.com/cropped/2024_05_06_d922855093f726234d59g-2.jpg?height=248&width=260&top_left_y=1355&top_left_x=293)

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