# Daily Archives: March 13, 2019

## DAY/DYDD 72:

The Main Challenge From the numbers 1 to 20 inclusive, find the only one that remains when all square numbers, multiples of 6, factors of 40 and odd numbers are eliminated. The 7puzzle Challenge The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, … Continue reading

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