Talk:Henry Ernest Dudeney/Modern Puzzles/170 - A Heptagon Puzzle/Solution

There are 126 solutions. We can reduce the number of solutions by a factor of 7 for each tip of the star and then by a factor of 2 due to left-right symmetry. There are 9 unique solutions.


 * [1, 11, 7, 8, 4, 9, 6, 10, 3, 14, 2, 12, 5, 13]
 * [1, 11, 7, 9, 3, 10, 6, 8, 5, 12, 2, 13, 4, 14]
 * [1, 11, 7, 9, 3, 14, 2, 13, 4, 10, 5, 8, 6, 12]
 * [1, 11, 7, 10, 2, 14, 3, 12, 4, 9, 6, 8, 5, 13]
 * [1, 12, 6, 8, 5, 11, 3, 9, 7, 10, 2, 13, 4, 14]
 * [1, 12, 6, 9, 4, 8, 7, 10, 2, 14, 3, 11, 5, 13]
 * [1, 12, 6, 11, 2, 14, 3, 9, 7, 8, 4, 10, 5, 13]
 * [1, 13, 5, 8, 6, 11, 2, 10, 7, 9, 3, 12, 4, 14]
 * [1, 13, 5, 12, 2, 11, 6, 10, 3, 9, 7, 8, 4, 14]

--Julia Hartman (talk) 15:56, 26 June 2023 (UTC)