mscroggs.co.uk

mscroggs.co.uk

blog puzzles academic talks contact subscribe ↓ ☰ ↓

Comment

Comments

Comments in green were written by me. Comments in blue were not written by me.

2023-12-23

@Seth Cohen: I made it give you some clues as to which are incorrect to make the search easier, which should speed up the checking a lot. You can also refresh a couple of times to get a few clues.

Matthew
on /blog/107

×2

×1

×2

×2

×2

2023-12-24

Whoaaaa just saw the clue for the 24th. This is gonna be fun to unpack! Definitely a step up from previous years!

Thanks @Matthew: and @Allan Taylor: for the tips!

Seth Cohen
on /blog/107

×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

Jan 2024

Christmas (2023) is over

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026