https://data.thu.ac.jp/9116/5233/8951/ippan_math_2022.pdf.pdf?_gl=1*4b7al3*_ga*MTk3NjAxMTQ1NS4xNjc5OTA3NzIz*_ga_BD9J52G4HW*MTY3OTkwNzcyMy4xLjAuMTY3OTkwNzcyMy42MC4wLjA.

https://i.imgur.com/7aUW1MK.jpg