Each puzzle is a short run of numbers that all follow one rule. Work out the rule and type the number that comes next.

You get five guesses. If a guess is wrong, you'll see whether the answer is higher or lower.

Hints cost a guess apiece, and there are two. The first one shows the gaps between the numbers, and the second tells you what sort of rule you're looking at.

Once in a while a guess works for the numbers on the screen but isn't the rule we picked. You'll get a note when that happens, and the guess is free.

Solve it on your first guess and you score 5. Every guess or hint after that takes a point off.

Sunday and Monday are easy. Thursday and Friday are the hard days, and the rest fall somewhere in between.

The calendar button at the top has every puzzle back to the first one, on February 17.

More puzzles at mayhap.org

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