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**The Coins**

You are blind-folded and told that there are 50 coins neatly arranged on a table before you, in five rows of ten coins each. You are also told that exactly ten of these coins show *heads*. You are asked to convert this single group of coins into two groups such that each group shows the same number of *heads*. How can you make this happen? (Assume that you are unable to feel any difference in the coin's two surfaces.)
**Solution**