Notes in Libre Office Calc format
https://www.sirgog.com/wp-content/uploads/2021/11/3-16-challenges.ods
Presentation for 12 or 24 in PDF: https://www.sirgog.com/wp-content/uploads/2021/11/3-16-challenges-24.pdf
And as Libre Office Impress: https://www.sirgog.com/wp-content/uploads/2021/11/3-16-challenges-24.odp
Presentation for 36 or 40:
https://www.sirgog.com/wp-content/uploads/2021/11/3-16-challenges-40.pdf
https://www.sirgog.com/wp-content/uploads/2021/11/3-16-challenges-40.odp
36/40 Video: