Example puzzle

This is an example puzzle. You can solve it the same way as you would solve competition puzzle, but result never stored. You can reveal an answer for the puzzle by clicking "Show answer" link.

Fences

Author: Andrey Bogdanov

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Draw a single continuous loop along the gridlines in the diagram. The numbers in each cell indicate how many of that cell's edges are used by the path. The path cannot cross or touch itself.

Example puzzle

Grid control: To draw a fence click at the cell edge or move mouse along the line holding the button. More details about grid control are at the help page.