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In this article, you will learn how to solve a 15 puzzle. Once you memorize the rules, your solving record can be reduced to a few minutes.
Steps
Place 13 on the original place of 9.
Place 9 on the right side of 13. Move 13 temporarily if you have to.
Make an empty space under 13.
Push 13 downward.
Push 9 leftward.
Place 14 on the original place of 10.
Place 10 on the right side of 14. Move 14 temporarily if you have to.
Make an empty space under14.
Push 14 downward.
Push 10 leftward.
Move around the blocks 11, 12, and 15 to put them to their original places. If they don't go to their original places, do method 3 again by mixing only the last two rows.
Community Q&A
- QuestionI can solve 1 through 12, but when I go on to the last row, 13 is at the end, and 14 and 15 are at the front. What am I doing wrong?
Stephen HanCommunity AnswerIn that case, you have to do part three all over again. If you follow the steps, 13 has to be at the bottom of 9, and 14 has to be at the bottom of 10. - QuestionHow do I change only two tiles?
Community AnswerA single swap is known to be impossible. In this type of puzzle, exactly half of the positions are obtainable, those that require an EVEN number of swaps from the starting position.
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