להרשמה
https://docs.google.com/forms/d/e/1FAIpQLScdQWAAwrh-He2avhyLQ7XNoHehnMFbV38burgTOIK9JpV1kA/viewform?usp=header
לכללי החידון
https://docs.google.com/document/d/18q8T2qjRVIWsKBxOwXSq6xTPd0p05SH9x-4BJ7IDSso/edit?usp=sharing