richg99
Well-known member
I got it wrong....
richg99
https://www.popularmechanics.com/science/math/a25147/riddle-of-the-week-15/?src=nl&mag=pop&list=nl_pnl_news&date=021017
richg99
https://www.popularmechanics.com/science/math/a25147/riddle-of-the-week-15/?src=nl&mag=pop&list=nl_pnl_news&date=021017