Comment by wetmore 10 hours ago Google even and odd permutations to learn more :) 2 comments wetmore Reply oliwary 9 hours ago Ahhh fascinating! :) Thank you for the pointer. JadeNB 7 hours ago 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
JadeNB 7 hours ago 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
Ahhh fascinating! :) Thank you for the pointer.
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