The DEMO version only includes 4 pages:
http://mathtic.com
http://mathtic.com/minedu-ejemplos-de-conclusiones-descriptivas-ppt-referencial.html
http://mathtic.com/calendarizacion-2020-para-la-formulacion-del-pat-preliminar-2020-www-minedu-gob-pe.html
http://mathtic.com/minedu-normas-para-la-verificacion-fisica-interna-de-bienes-patrimoniales-y-toma-de-inventario-fisico-2019.html

It is possible to download these free files and install them on your server, so you can test how the site works.
Visit https://www.waybackmachinedownloader.com/en/buy-wayback-machine-downloader-recover/ to buy a fully functioning site.
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