A King lives in his castle and is surrounded by 8 guards. (the broken matchsticks) Each outside wall of the castle is guarded by 3 guards as shown.
The King decides to step up his security so that each wall is guarded by 4 guards. How must he do this without employing more guards?
Click here for Hint Soldiers can stand in the same cell as well.
Soldiers can stand in the same cell as well.
Click here for Answer