https://metodistsudak.usite.pro/docs/reg_olimp2020/prikaz-1_ot_11.01.2020_olimpiada.pdf
https://metodistsudak.usite.pro/docs/reg_olimp2020/prilozhenie_1.docx
https://metodistsudak.usite.pro/docs/reg_olimp2020/prilozhenie_2.xlsx