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coins in a dark room
There is a room
In the room are 50 coins
18 of them are showing tails
The rest are showing heads.
In the dark without being able to tell which way up the coins are
Sort then in to two groups
With the same amount of heads showing in each group.
answers on a post
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I am an ex-member of team 759.
759: regional winners with 522 and 233 NYC (2004)
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