You have 100 coins laying flat on a table, each with a head side and a tail side. 10 of them are heads up, 90 are tails up. You can't feel, see
You have a 100 coins laying flat on a table, each with a head side and a tail side. 10 of them are heads up, 90 are tails up. How would you
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3d Coins Magical Intelligent Maze Ball 100 Steps,brainteaser Compete Game Large Iq Ball Toys,labyrinth Balance Puzzle Ball - Puzzles - AliExpress
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