2024-01-14 Thanks to justkirb and Karoo for noticing the input mode for house was not appropriate (updated) 2024-01-15puzzlettersPinkHoodie sent a House puzzle, relying on a particular mathematical deduction; and prompted a rule clarification. 2024-01-16 A divisibility checker was added to house, a suggestion by PinkHoodie2024-01-27PinkHoodie constructed a new puzzle, by hand, and verified its uniqueness by computater 2024-02-255381 crafted the panels of House Puzzles in the modern format2024-03-015381 sent a classic puzzle - thank you 2024-03-05 A missing check was added after receiving feedback from 5381 and unit test cases by PinkHoodie. Also, a circle aux mark was added. 2024-07-18 The colour scheme is no longer a direct function of length, but of the index of the length among others. This minimises contrast issues reported by Nishinanntokka. 2025-06-03 An edge case detected by PinkHoodie was corrected. Thank you!