Henry Ernest Dudeney/Puzzles and Curious Problems/245 - Magic Fifteen Puzzle/Solution

by : $245$

 * Magic Fifteen Puzzle

Solution
Move the counters in the following order:


 * $12$, $8$, $4$, $3$, $2$, $6$, $10$, $9$, $13$, $15$, $14$, $12$, $8$, $4$, $7$, $10$, $9$, $14$, $12$, $8$, $4$, $7$, $10$, $9$, $6$, $2$, $3$, $10$, $9$, $6$, $5$, $1$, $2$, $3$, $6$, $5$, $3$, $2$, $1$, $13$, $14$, $3$, $2$, $1$, $13$, $14$, $3$, $12$, $15$, $3$

of $50$ moves in all.

This results in the square:


 * Dudeney-Puzzles-and-Curious-Problems-245-solution.png