Object: Order numbers clockwise on the wheel.
 
Arrange the numbered balls 1 - 8 clockwise around the wheel, with the centre position left empty.
You can only move the balls one step at a time.
 
Variant 2 : Arrange the numbered balls 1 - 8 anti-clockwise around the wheel.
Variant 3 : Arrange the balls 1 - 8 clockwise, but leave (at least) one ball untouched.
    Which of the balls can you actually leave unchanged?
Variant 4 : Arrange the balls 1 - 8 anti-clockwise, but leave (at least) one ball untouched.
    Which of the balls can you actually leave unchanged?
 
 
More freeware as well as real puzzles and games at my homepage http://karl.kiwi.gen.nz.