Comment by wetmore Comment by wetmore 10 hours ago 2 replies Copy Link View on Hacker News Google even and odd permutations to learn more :)
Copy Link oliwary 9 hours ago Next Collapse Comment - Ahhh fascinating! :) Thank you for the pointer. Reply View | 0 replies
Copy Link JadeNB 7 hours ago Prev Collapse Comment - What a lovely independent discovery! The context is similar to the (un)solvability of the 15 puzzle.https://en.wikipedia.org/wiki/15_puzzle#Solvability Reply View | 0 replies
Ahhh fascinating! :) Thank you for the pointer.