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by imdsm
4044 days ago
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Yeah it still took a minute. The way I realised it was Bob is covering them for the same flips, so if he flips H, he covers if Alice flips a H too. But if she flips a T, Bob is no longer covering her, but she knows when Bob isn't covering her, if she guesses for the opposite, she'll cover them. 100%. The next level is: Eve joins the game, and the coin gets another side. |
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