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Comments in green were written by me. Comments in blue were not written by me.
2020-12-11
Hi Matthew
If I'm wrong, don't bother to answer, but I suspect there might be an error in the wording of Number 11.
I don't think it's possible to solve it right now.
Cheers
Moss
on
/blog/86
2020-12-11
@
Moss
: You were correct: as you were writing this, I was correcting the puzzle. It should now be correct
Matthew
on
/blog/86
×1
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A regular expression Christmas puzzle
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Build your own MENACE
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Christmas (2021) is coming!
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Close encounters of the second kind
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Christmas (2020) is over
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Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy -2+tan(√2) Approximation Day!
May 2020
A surprising fact about quadrilaterals
Interesting tautologies
Mar 2020
Log-scaled axes
Feb 2020
PhD thesis, chapter ∞
PhD thesis, chapter 5
PhD thesis, chapter 4
PhD thesis, chapter 3
Inverting a matrix
PhD thesis, chapter 2
Jan 2020
PhD thesis, chapter 1
Gaussian elimination
Matrix multiplication
Christmas (2019) is over
2019
▼ show ▼
▲ hide ▲
Dec 2019
Visualising MENACE's learning
Christmas card 2019
Nov 2019
Christmas (2019) is coming!
Sep 2019
A non-converging LaTeX document
TMiP 2019 treasure punt
Jul 2019
Big Internet Math-Off stickers 2019
Jun 2019
Proving a conjecture
Apr 2019
Harriss and other spirals
Mar 2019
realhats
Jan 2019
Christmas (2018) is over
2018
▼ show ▼
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Dec 2018
Christmas cross stitch
MENACE in fiction
Christmas card 2018
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Christmas (2018) is coming!
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Runge's Phenomenon
Jul 2018
World Cup stickers 2018, pt. 3
Mathsteroids
Jun 2018
World Cup stickers 2018, pt. 2
May 2018
A bad Puzzle for Today
Apr 2018
Building MENACEs for other games
Mar 2018
A 20,000-to-1 baby?
World Cup stickers 2018
Jan 2018
Origins of World War I
Christmas (2017) is over
2017
▼ show ▼
▲ hide ▲
Dec 2017
Christmas card 2017
Nov 2017
Christmas (2017) is coming!
MENACE at Manchester Science Festival
Jun 2017
Big Ben Strikes Again
Mar 2017
The end of coins of constant width
Dragon curves II
Feb 2017
The importance of estimation error
Jan 2017
Is MEDUSA the new BODMAS?
2016
▼ show ▼
▲ hide ▲
Dec 2016
Christmas (2016) is over
Video game surfaces
Christmas card 2016
Nov 2016
Christmas (2016) is coming!
Oct 2016
Logical contradictions
Palindromic dates
Sep 2016
Tube map kaleidocycles
Jul 2016
Solving the cross diagonal cover problem
Jun 2016
Braiding, pt. 2
Braiding, pt. 1
Making names in Life
May 2016
Euro 2016 stickers
Mar 2016
Proving Pythagoras' theorem
Dragon curves
The
Mathematical Games
of Martin Gardner
Jan 2016
Christmas (2015) is over
2015
▼ show ▼
▲ hide ▲
Nov 2015
Christmas (2015) is coming!
Oct 2015
How to kick a conversion
How much will I win on the new National Lottery?
Aug 2015
How OEISbot works
MENACE
Mar 2015
Optimal Pac-Man
Tube map stellated rhombicuboctahedron
Logic bot, pt. 2
Design your own flexagon
Jan 2015
Tube map Platonic solids, pt. 3
2014
▼ show ▼
▲ hide ▲
Nov 2014
Logic bot
Sep 2014
Electromagnetic Field talk
Jun 2014
Tennis maths
May 2014
World Cup stickers
Apr 2014
Countdown probability, pt. 2
Countdown probability
Mar 2014
New machine unfriendly £1 coin, pt. 2
New machine unfriendly £1 coin
2013
▼ show ▼
▲ hide ▲
Dec 2013
Assorted christmaths
Pointless probability
Jul 2013
"Uncanny" royal coincidence
Raspberry Pi weather station
2012
▼ show ▼
▲ hide ▲
Nov 2012
Tube map Platonic solids, pt. 2
Oct 2012
Tube map Platonic solids
Tags
24 hour maths
gather town
pac-man
bubble bobble
talking maths in public
gerry anderson
manchester science festival
propositional calculus
european cup
edinburgh
sound
preconditioning
zines
runge's phenomenon
bodmas
cross stitch
logic
rhombicuboctahedron
crossnumber
recursion
errors
games
weak imposition
finite element method
numbers
fence posts
determinants
correlation
ucl
logo
datasaurus dozen
graphs
coventry
php
the aperiodical
binary
matrix of cofactors
tmip
braiding
curvature
partridge puzzle
world cup
misleading statistics
advent calendar
platonic solids
dinosaurs
dates
programming
inline code
london underground
craft
raspberry pi
harriss spiral
folding paper
light
hats
chess
chalkdust magazine
christmas card
wave scattering
mathsjam
turtles
game of life
big internet math-off
folding tube maps
signorini conditions
a gamut of games
crossnumbers
news
gaussian elimination
rugby
quadrilaterals
boundary element methods
flexagons
rust
estimation
fractals
weather station
sport
tennis
captain scarlet
video games
newcastle
polynomials
live stream
trigonometry
hyperbolic surfaces
triangles
nonograms
standard deviation
alphabets
phd
pi
thirteen
martin gardner
stickers
simultaneous equations
bots
logs
convergence
latex
anscombe's quartet
plastic ratio
wool
cambridge
asteroids
exponential growth
numerical analysis
mathsteroids
speed
dragon curves
radio 4
inverse matrices
regular expressions
matrix of minors
golden ratio
accuracy
menace
data visualisation
matt parker
ternary
noughts and crosses
reuleaux polygons
mathslogicbot
frobel
people maths
pizza cutting
geogebra
sobolev spaces
go
chebyshev
countdown
bempp
crosswords
matrix multiplication
guest posts
data
approximation
python
football
computational complexity
crochet
kings
electromagnetic field
manchester
graph theory
stirling numbers
oeis
map projections
squares
puzzles
nine men's morris
finite group
matrices
coins
royal institution
fonts
pi approximation day
probability
golden spiral
statistics
youtube
arithmetic
warwick
hannah fry
palindromes
databet
national lottery
mean
pascal's triangle
geometry
books
realhats
machine learning
final fantasy
error bars
christmas
royal baby
reddit
javascript
dataset
interpolation
friendly squares
hexapawn
sorting
pythagoras
london
draughts
game show probability
kenilworth
© Matthew Scroggs 2012–2026
If I'm wrong, don't bother to answer, but I suspect there might be an error in the wording of Number 11.
I don't think it's possible to solve it right now.
Cheers
on /blog/86