Published on Monday, November 22, 2010 in , , , ,

Object: Arrange the dots so that no lines cross.

Simply click and hold a dot with your mouse, or touch and hold a dot with your finger, in order to move it.

If you're using a touch device and find you're having trouble moving a particular dot, zoom in and try moving it again.

Also, try and avoid placing the dots too close to the edge, as this may make them hard to move later.

Further Controls:

Check Now!: If 1 or more lines are crossed, clicking this button will tell you how many intersections remain. If no lines are crossed, this button will verify this and advance you to the next level.


Planarity strategy 1
Planarity strategy 2

More Information:

Planarity home page
JSPlanarity home page
Planar graph definition

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