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SUBMIT YOUR IDEAMy solution.
Here's my solution.
Wasn't the most efficient way, as I didn't plan ahead
For the bonus I am off by rounding, which might mean there is a thin strip left over from each roll that is too small to turn into a full mask.
I will go back and do that again, but will not update it here.
That was it. The number and location of tools did not change, just an additional couple of calculations.