知恵の輪…
https://ameblo.jp/juicejuice-official/entry-12809456435.html
https://stat.ameba.jp/user_images/20230625/23/juicejuice-official/78/fd/j/o1080144015304393354.jpg
https://stat.ameba.jp/user_images/20230625/23/juicejuice-official/6b/a7/j/o1080144015304393365.jpg