For some reason it was difficult to find a bingo card generator that would give me an ink-saver/bare-bones just the grid and not force me to make an account. Maybe i didn't look hard enough, but this ended up being quite fast (thanks ChatGPT!).
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Tip: You can have a pretty long entry - but it starts to disappear if you go this long --> "a-fdfdsfsdfdfdfdafdf dsfsdfdfdfdafdfdsfsdfdfddffdfddfdfdfdff ffdf8888888888888888888dv"