Start by laying 3 copper, 3 silver and 3 gold coins in 11 squares, as
shown in the top picture. The aim of this puzzle is to rearrange the coins as shown in the
bottom picture. You may not move two identical coins at the same time.
- You must move two adjacent coins at the same time and within the grid. During
the move the coins may not change places. Can you solve this puzzle in six moves?
- Now you must move two adjacent coins at the same time and within the grid, but during
the move they do change places. So, for example: you take the silver + gold coins and place them
in the empty squares as gold + silver. Can you solve this puzzle in eight moves?
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Solution
A (not for the tenacious)
