PUZZLEBOXX
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PUZZLEBOXX |
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| TRIPLE-FLIPPER | |||||
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Place 4 coins in a row with all the heads upwards.
You must flip over 3 coins at a time (this counts as a single move).
The challenge is to get all 4 coins tails upwards.
What is the least number of moves necessary to move from 4 heads upwards to 4 tails upwards?
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