ハノイの塔
The Tower of Hanoi – Myths and Maths
https://link.springer.com/book/10.1007/978-3-319-73779-9
https://link.springer.com/book/10.1007/978-3-0348-0237-6
http://tohbook.info/
Tower of Hanoi
https://en.wikipedia.org/wiki/Tower_of_Hanoi
#puzzle