@eloquence speaking as an Australian, welcome to the 20th Century!
Interesting they did it with a grid of boxes like that, rather than just allowing write-in of the numbers, seems like it'd be hard to scale that up to like, 20+ candidates.
Wonder what the thought process behind that is ... literacy? It makes the instructions to the voter pretty complex though.
Consider this a friendly, local pub. Make yourself at home, bring your friends, have a good time! Meet new people, have a laugh, enjoy the ambience, and the Oxford commas.