mscroggs.co.uk
mscroggs.co.uk

subscribe

Comment

Comments

Comments in green were written by me. Comments in blue were not written by me.
Incorrect answers are treated is correct.

Looking at the JavaScript code, I found that any value that is a key in the array "regions" is treated as correct for all puzzles.
Lars Nordenström
on /blog/108
×4   ×4   ×4   ×4   ×4   

Archive

Show me a random blog post
 2026 

May 2026

World Cup stickers 2026

Apr 2026

A new puzzle every day
Mixing Wordle with other games

Feb 2026

Christmas (2025) is over
 2025 

Dec 2025

Christmas card 2025

Nov 2025

Christmas (2025) is coming!

Sep 2025

The partridge puzzle

Aug 2025

TMiP 2025 puzzle hunt

Jun 2025

A nonogram alphabet

Mar 2025

How to write a crossnumber

Jan 2025

Christmas (2024) is over
Friendly squares
 2024 

Dec 2024

A regular expression Christmas puzzle
Christmas card 2024

Nov 2024

Christmas (2024) is coming!

Feb 2024

Zines, pt. 2

Jan 2024

Christmas (2023) is over
 2023 
▼ show ▼
 2022 
▼ show ▼
 2021 
▼ show ▼
 2020 
▼ show ▼
 2019 
▼ show ▼
 2018 
▼ show ▼
 2017 
▼ show ▼
 2016 
▼ show ▼
 2015 
▼ show ▼
 2014 
▼ show ▼
 2013 
▼ show ▼
 2012 
▼ show ▼

Tags

data inverse matrices programming logic anscombe's quartet christmas card zines manchester raspberry pi signorini conditions matrix of minors realhats pizza cutting video games weather station countdown plastic ratio ternary squares php national lottery finite element method statistics pi numerical analysis dates wave scattering electromagnetic field game of life sport matt parker london light dragon curves misleading statistics pokémon thirteen error bars speed go golden ratio friendly squares guest posts matrix multiplication fractals dataset bodmas wordle databet weak imposition turtles binary news frobel geogebra golden spiral captain scarlet hyperbolic surfaces coins rust braiding graph theory palindromes sound simultaneous equations standard deviation arrangement puzzles edinburgh mathsteroids estimation ucl logs fence posts advent calendar logo datasaurus dozen coventry inline code kenilworth stirling numbers london underground football royal baby gaussian elimination matrices computational complexity bubble bobble bluesky stickers harriss spiral pascal's triangle preconditioning tennis noughts and crosses boundary element methods wool probability live stream kings menace reuleaux polygons pi approximation day cambridge warwick convergence manchester science festival polynomials fonts hexapawn martin gardner rugby javascript approximation bots correlation map projections graphs draughts finite group tetris chebyshev python gather town exponential growth pythagoras triangles cross stitch dinosaurs talking maths in public sobolev spaces games oeis alphabets arithmetic runge's phenomenon royal institution numbers crochet pokémon wordle puzzles data visualisation mathslogicbot radio 4 newcastle final fantasy phd folding paper determinants platonic solids mathsjam chalkdust magazine crossnumber errors bempp 24 hour maths european cup chess accuracy quadrilaterals sorting latex reddit flexagons christmas tmip craft hannah fry interpolation asteroids regular expressions rhombicuboctahedron crossnumbers big internet math-off crosswords geometry partridge puzzle folding tube maps people maths nine men's morris nonograms propositional calculus game show probability pac-man books curvature machine learning recursion gerry anderson matrix of cofactors world cup mean trigonometry a gamut of games hats youtube the aperiodical

Archive

Show me a random blog post
▼ show ▼
© Matthew Scroggs 2012–2026