Welcome to the nostalgia-filled piefed instance of yesteryear.
Open Registration with Application questionnaire.
If you have a question or comment you can post in !meta@retrofed.com or message @DosDude@retrofed.com or @Die4Ever@retrofed.com
In case of downtime and/or emergency, we will post updates on @DosDude@mastodon.social
Some rules we try to uphold:
What will you fill in for #?
Source
Black filled star.
Each row and column has to contain each kind of pentagram.
Also: I think it is the diagonals? Similar to determinant rule application.