Problems & Puzzles: Puzzles

Puzzle 631. Follow up to Puzzle 630 Luke Pebody not only solved the last week Puzzle 630, but at the same time posed a new one: He wrote "Proving that there are three consecutive arbitrarily long regions would probably be much harder". Q. Would you like to try this new challenge?

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On October 29, 2026, Bas van Dorst launched a massive attack on 61 puzzles (64 results), including this one. Please see his contribution to this puzzle on the page https://www.primepuzzles.net/puzzles/puzz_1288.htm

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