Daily Archives: September 25, 2021

day/dydd 268 at 7puzzleblog.com

The Main Challenge Find the sum of the SEVEN different numbers in the range 65 to 85 that are either multiples of 9, 10, 11 or 12. The 7puzzle Challenge The playing board of the 7puzzle game is a 7-by-7 grid of 49 different … Continue reading

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