Inversion Puzzle The 2019 Stack Overflow Developer Survey Results Are InWhat is the cipher behind this circular cyphertext?A well balanced puzzle: Logic puzzle(s) in visual disguiseLepidopterology needed!Capture The StonesFind the number code in the pictureHow should the hexagon be coloured?The Alien grid of picturesA-maze-ing Navigation4x4 Sliding Puzzle with a twistASCII art troubles

Why “相同意思的词” is called “同义词” instead of "同意词"？

What information about me do stores get via my credit card?

What is this sharp, curved notch on my knife for?

What is preventing me from simply constructing a hash that's lower than the current target?

Loose spokes after only a few rides

Is it correct to say the Neural Networks are an alternative way of performing Maximum Likelihood Estimation? if not, why?

What is the most efficient way to store a numeric range?

Worn-tile Scrabble

If I score a critical hit on an 18 or higher, what are my chances of getting a critical hit if I roll 3d20?

Why isn't the circumferential light around the M87 black hole's event horizon symmetric?

Relationship between Gromov-Witten and Taubes' Gromov invariant

Did Scotland spend $250,000 for the slogan "Welcome to Scotland"?

What is this business jet?

Is an up-to-date browser secure on an out-of-date OS?

ODD NUMBER in Cognitive Linguistics of WILLIAM CROFT and D. ALAN CRUSE

I am an eight letter word. What am I?

Correct punctuation for showing a character's confusion

Is it ethical to upload a automatically generated paper to a non peer-reviewed site as part of a larger research?

Match Roman Numerals

What do these terms in Caesar's Gallic wars mean?

Output the Arecibo Message

Cooking pasta in a water boiler

Will it cause any balance problems to have PCs level up and gain the benefits of a long rest mid-fight?

Why does the nucleus not repel itself?



Inversion Puzzle



The 2019 Stack Overflow Developer Survey Results Are InWhat is the cipher behind this circular cyphertext?A well balanced puzzle: Logic puzzle(s) in visual disguiseLepidopterology needed!Capture The StonesFind the number code in the pictureHow should the hexagon be coloured?The Alien grid of picturesA-maze-ing Navigation4x4 Sliding Puzzle with a twistASCII art troubles










8












$begingroup$


enter image description here



You can describe your inversions however you like. I think an ordered grid from the center (n,m) is easy to understand (doesn't matter where to start due to radial symmetry), or an image






visual







share|improve this question







New contributor




Artem Lugin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.







$endgroup$











  • $begingroup$
    Neat puzzle! Is there a reason why the black regions are not uniform? It's not important, but it makes the puzzle slightly harder to solve using an image editor because it breaks floodfilling.
    $endgroup$
    – noedne
    2 days ago










  • $begingroup$
    Because I drew them in procreate. Thats a good point I'll remember that next time I make something like this
    $endgroup$
    – Artem Lugin
    2 days ago















8












$begingroup$


enter image description here



You can describe your inversions however you like. I think an ordered grid from the center (n,m) is easy to understand (doesn't matter where to start due to radial symmetry), or an image






visual







share|improve this question







New contributor




Artem Lugin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.







$endgroup$











  • $begingroup$
    Neat puzzle! Is there a reason why the black regions are not uniform? It's not important, but it makes the puzzle slightly harder to solve using an image editor because it breaks floodfilling.
    $endgroup$
    – noedne
    2 days ago










  • $begingroup$
    Because I drew them in procreate. Thats a good point I'll remember that next time I make something like this
    $endgroup$
    – Artem Lugin
    2 days ago













8












8








8





$begingroup$


enter image description here



You can describe your inversions however you like. I think an ordered grid from the center (n,m) is easy to understand (doesn't matter where to start due to radial symmetry), or an image






visual







share|improve this question







New contributor




Artem Lugin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.







$endgroup$




enter image description here



You can describe your inversions however you like. I think an ordered grid from the center (n,m) is easy to understand (doesn't matter where to start due to radial symmetry), or an image






visual




visual






share|improve this question







New contributor




Artem Lugin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|improve this question







New contributor




Artem Lugin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









share|improve this question




share|improve this question






New contributor




Artem Lugin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









asked 2 days ago









Artem LuginArtem Lugin

3409




3409




New contributor




Artem Lugin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.





New contributor





Artem Lugin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






Artem Lugin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











  • $begingroup$
    Neat puzzle! Is there a reason why the black regions are not uniform? It's not important, but it makes the puzzle slightly harder to solve using an image editor because it breaks floodfilling.
    $endgroup$
    – noedne
    2 days ago










  • $begingroup$
    Because I drew them in procreate. Thats a good point I'll remember that next time I make something like this
    $endgroup$
    – Artem Lugin
    2 days ago
















  • $begingroup$
    Neat puzzle! Is there a reason why the black regions are not uniform? It's not important, but it makes the puzzle slightly harder to solve using an image editor because it breaks floodfilling.
    $endgroup$
    – noedne
    2 days ago










  • $begingroup$
    Because I drew them in procreate. Thats a good point I'll remember that next time I make something like this
    $endgroup$
    – Artem Lugin
    2 days ago















$begingroup$
Neat puzzle! Is there a reason why the black regions are not uniform? It's not important, but it makes the puzzle slightly harder to solve using an image editor because it breaks floodfilling.
$endgroup$
– noedne
2 days ago




$begingroup$
Neat puzzle! Is there a reason why the black regions are not uniform? It's not important, but it makes the puzzle slightly harder to solve using an image editor because it breaks floodfilling.
$endgroup$
– noedne
2 days ago












$begingroup$
Because I drew them in procreate. Thats a good point I'll remember that next time I make something like this
$endgroup$
– Artem Lugin
2 days ago




$begingroup$
Because I drew them in procreate. Thats a good point I'll remember that next time I make something like this
$endgroup$
– Artem Lugin
2 days ago










2 Answers
2






active

oldest

votes


















6












$begingroup$

My solution is




2 moves to make the inversions - was very slow to make this horrible graphic!
enter image description here







share|improve this answer











$endgroup$












  • $begingroup$
    Correct! Also works with most circles and sections
    $endgroup$
    – Artem Lugin
    2 days ago










  • $begingroup$
    I would have drawn it quicker by making a fresh start with an 8 x 4 rectangular grid. I was able to floodfill the white areas with black but somehow not with black areas with white.
    $endgroup$
    – Weather Vane
    2 days ago










  • $begingroup$
    Black areas are shaded. Will make it easier next time. You can see the shading better here m.imgur.com/Sg5RLNi
    $endgroup$
    – Artem Lugin
    2 days ago










  • $begingroup$
    My apologies to @PiIsNot3 because I inadvertently copied his final image, mistaking it for the one in the puzzle. Corrected.
    $endgroup$
    – Weather Vane
    2 days ago


















4












$begingroup$

EDIT: I found an even better




2 inversion solution:


And of course, this is the optimal solution because you obviously can’t get to the end with only one inversion




Original answer: I can do it in




6 inversions




by




inverting a set of 4 non-adjacent big triangles (the ones that go BWBW or WBWB), then inverting the 2 black rings that result from that. (Will update with a visual later)







share|improve this answer











$endgroup$












  • $begingroup$
    Correct! Not sure who got it first but both correct
    $endgroup$
    – Artem Lugin
    2 days ago










  • $begingroup$
    @ArtemLugin this was first with the 6 solution, I was working on the graphic for my 2 solution when PilsNot3 announced he had found a 2 solution. However I didn't post anything until mine was ready.
    $endgroup$
    – Weather Vane
    yesterday











Your Answer





StackExchange.ifUsing("editor", function ()
return StackExchange.using("mathjaxEditing", function ()
StackExchange.MarkdownEditor.creationCallbacks.add(function (editor, postfix)
StackExchange.mathjaxEditing.prepareWmdForMathJax(editor, postfix, [["$", "$"], ["\\(","\\)"]]);
);
);
, "mathjax-editing");

StackExchange.ready(function()
var channelOptions =
tags: "".split(" "),
id: "559"
;
initTagRenderer("".split(" "), "".split(" "), channelOptions);

StackExchange.using("externalEditor", function()
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled)
StackExchange.using("snippets", function()
createEditor();
);

else
createEditor();

);

function createEditor()
StackExchange.prepareEditor(
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: false,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: null,
bindNavPrevention: true,
postfix: "",
imageUploader:
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
,
noCode: true, onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
);



);






Artem Lugin is a new contributor. Be nice, and check out our Code of Conduct.









draft saved

draft discarded


















StackExchange.ready(
function ()
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fpuzzling.stackexchange.com%2fquestions%2f81584%2finversion-puzzle%23new-answer', 'question_page');

);

Post as a guest















Required, but never shown

























2 Answers
2






active

oldest

votes








2 Answers
2






active

oldest

votes









active

oldest

votes






active

oldest

votes









6












$begingroup$

My solution is




2 moves to make the inversions - was very slow to make this horrible graphic!
enter image description here







share|improve this answer











$endgroup$












  • $begingroup$
    Correct! Also works with most circles and sections
    $endgroup$
    – Artem Lugin
    2 days ago










  • $begingroup$
    I would have drawn it quicker by making a fresh start with an 8 x 4 rectangular grid. I was able to floodfill the white areas with black but somehow not with black areas with white.
    $endgroup$
    – Weather Vane
    2 days ago










  • $begingroup$
    Black areas are shaded. Will make it easier next time. You can see the shading better here m.imgur.com/Sg5RLNi
    $endgroup$
    – Artem Lugin
    2 days ago










  • $begingroup$
    My apologies to @PiIsNot3 because I inadvertently copied his final image, mistaking it for the one in the puzzle. Corrected.
    $endgroup$
    – Weather Vane
    2 days ago















6












$begingroup$

My solution is




2 moves to make the inversions - was very slow to make this horrible graphic!
enter image description here







share|improve this answer











$endgroup$












  • $begingroup$
    Correct! Also works with most circles and sections
    $endgroup$
    – Artem Lugin
    2 days ago










  • $begingroup$
    I would have drawn it quicker by making a fresh start with an 8 x 4 rectangular grid. I was able to floodfill the white areas with black but somehow not with black areas with white.
    $endgroup$
    – Weather Vane
    2 days ago










  • $begingroup$
    Black areas are shaded. Will make it easier next time. You can see the shading better here m.imgur.com/Sg5RLNi
    $endgroup$
    – Artem Lugin
    2 days ago










  • $begingroup$
    My apologies to @PiIsNot3 because I inadvertently copied his final image, mistaking it for the one in the puzzle. Corrected.
    $endgroup$
    – Weather Vane
    2 days ago













6












6








6





$begingroup$

My solution is




2 moves to make the inversions - was very slow to make this horrible graphic!
enter image description here







share|improve this answer











$endgroup$



My solution is




2 moves to make the inversions - was very slow to make this horrible graphic!
enter image description here








share|improve this answer














share|improve this answer



share|improve this answer








edited 2 days ago

























answered 2 days ago









Weather VaneWeather Vane

2,252112




2,252112











  • $begingroup$
    Correct! Also works with most circles and sections
    $endgroup$
    – Artem Lugin
    2 days ago










  • $begingroup$
    I would have drawn it quicker by making a fresh start with an 8 x 4 rectangular grid. I was able to floodfill the white areas with black but somehow not with black areas with white.
    $endgroup$
    – Weather Vane
    2 days ago










  • $begingroup$
    Black areas are shaded. Will make it easier next time. You can see the shading better here m.imgur.com/Sg5RLNi
    $endgroup$
    – Artem Lugin
    2 days ago










  • $begingroup$
    My apologies to @PiIsNot3 because I inadvertently copied his final image, mistaking it for the one in the puzzle. Corrected.
    $endgroup$
    – Weather Vane
    2 days ago
















  • $begingroup$
    Correct! Also works with most circles and sections
    $endgroup$
    – Artem Lugin
    2 days ago










  • $begingroup$
    I would have drawn it quicker by making a fresh start with an 8 x 4 rectangular grid. I was able to floodfill the white areas with black but somehow not with black areas with white.
    $endgroup$
    – Weather Vane
    2 days ago










  • $begingroup$
    Black areas are shaded. Will make it easier next time. You can see the shading better here m.imgur.com/Sg5RLNi
    $endgroup$
    – Artem Lugin
    2 days ago










  • $begingroup$
    My apologies to @PiIsNot3 because I inadvertently copied his final image, mistaking it for the one in the puzzle. Corrected.
    $endgroup$
    – Weather Vane
    2 days ago















$begingroup$
Correct! Also works with most circles and sections
$endgroup$
– Artem Lugin
2 days ago




$begingroup$
Correct! Also works with most circles and sections
$endgroup$
– Artem Lugin
2 days ago












$begingroup$
I would have drawn it quicker by making a fresh start with an 8 x 4 rectangular grid. I was able to floodfill the white areas with black but somehow not with black areas with white.
$endgroup$
– Weather Vane
2 days ago




$begingroup$
I would have drawn it quicker by making a fresh start with an 8 x 4 rectangular grid. I was able to floodfill the white areas with black but somehow not with black areas with white.
$endgroup$
– Weather Vane
2 days ago












$begingroup$
Black areas are shaded. Will make it easier next time. You can see the shading better here m.imgur.com/Sg5RLNi
$endgroup$
– Artem Lugin
2 days ago




$begingroup$
Black areas are shaded. Will make it easier next time. You can see the shading better here m.imgur.com/Sg5RLNi
$endgroup$
– Artem Lugin
2 days ago












$begingroup$
My apologies to @PiIsNot3 because I inadvertently copied his final image, mistaking it for the one in the puzzle. Corrected.
$endgroup$
– Weather Vane
2 days ago




$begingroup$
My apologies to @PiIsNot3 because I inadvertently copied his final image, mistaking it for the one in the puzzle. Corrected.
$endgroup$
– Weather Vane
2 days ago











4












$begingroup$

EDIT: I found an even better




2 inversion solution:


And of course, this is the optimal solution because you obviously can’t get to the end with only one inversion




Original answer: I can do it in




6 inversions




by




inverting a set of 4 non-adjacent big triangles (the ones that go BWBW or WBWB), then inverting the 2 black rings that result from that. (Will update with a visual later)







share|improve this answer











$endgroup$












  • $begingroup$
    Correct! Not sure who got it first but both correct
    $endgroup$
    – Artem Lugin
    2 days ago










  • $begingroup$
    @ArtemLugin this was first with the 6 solution, I was working on the graphic for my 2 solution when PilsNot3 announced he had found a 2 solution. However I didn't post anything until mine was ready.
    $endgroup$
    – Weather Vane
    yesterday















4












$begingroup$

EDIT: I found an even better




2 inversion solution:


And of course, this is the optimal solution because you obviously can’t get to the end with only one inversion




Original answer: I can do it in




6 inversions




by




inverting a set of 4 non-adjacent big triangles (the ones that go BWBW or WBWB), then inverting the 2 black rings that result from that. (Will update with a visual later)







share|improve this answer











$endgroup$












  • $begingroup$
    Correct! Not sure who got it first but both correct
    $endgroup$
    – Artem Lugin
    2 days ago










  • $begingroup$
    @ArtemLugin this was first with the 6 solution, I was working on the graphic for my 2 solution when PilsNot3 announced he had found a 2 solution. However I didn't post anything until mine was ready.
    $endgroup$
    – Weather Vane
    yesterday













4












4








4





$begingroup$

EDIT: I found an even better




2 inversion solution:


And of course, this is the optimal solution because you obviously can’t get to the end with only one inversion




Original answer: I can do it in




6 inversions




by




inverting a set of 4 non-adjacent big triangles (the ones that go BWBW or WBWB), then inverting the 2 black rings that result from that. (Will update with a visual later)







share|improve this answer











$endgroup$



EDIT: I found an even better




2 inversion solution:


And of course, this is the optimal solution because you obviously can’t get to the end with only one inversion




Original answer: I can do it in




6 inversions




by




inverting a set of 4 non-adjacent big triangles (the ones that go BWBW or WBWB), then inverting the 2 black rings that result from that. (Will update with a visual later)








share|improve this answer














share|improve this answer



share|improve this answer








edited 2 days ago









Adam

335120




335120










answered 2 days ago









PiIsNot3PiIsNot3

2,347433




2,347433











  • $begingroup$
    Correct! Not sure who got it first but both correct
    $endgroup$
    – Artem Lugin
    2 days ago










  • $begingroup$
    @ArtemLugin this was first with the 6 solution, I was working on the graphic for my 2 solution when PilsNot3 announced he had found a 2 solution. However I didn't post anything until mine was ready.
    $endgroup$
    – Weather Vane
    yesterday
















  • $begingroup$
    Correct! Not sure who got it first but both correct
    $endgroup$
    – Artem Lugin
    2 days ago










  • $begingroup$
    @ArtemLugin this was first with the 6 solution, I was working on the graphic for my 2 solution when PilsNot3 announced he had found a 2 solution. However I didn't post anything until mine was ready.
    $endgroup$
    – Weather Vane
    yesterday















$begingroup$
Correct! Not sure who got it first but both correct
$endgroup$
– Artem Lugin
2 days ago




$begingroup$
Correct! Not sure who got it first but both correct
$endgroup$
– Artem Lugin
2 days ago












$begingroup$
@ArtemLugin this was first with the 6 solution, I was working on the graphic for my 2 solution when PilsNot3 announced he had found a 2 solution. However I didn't post anything until mine was ready.
$endgroup$
– Weather Vane
yesterday




$begingroup$
@ArtemLugin this was first with the 6 solution, I was working on the graphic for my 2 solution when PilsNot3 announced he had found a 2 solution. However I didn't post anything until mine was ready.
$endgroup$
– Weather Vane
yesterday










Artem Lugin is a new contributor. Be nice, and check out our Code of Conduct.









draft saved

draft discarded


















Artem Lugin is a new contributor. Be nice, and check out our Code of Conduct.












Artem Lugin is a new contributor. Be nice, and check out our Code of Conduct.











Artem Lugin is a new contributor. Be nice, and check out our Code of Conduct.














Thanks for contributing an answer to Puzzling Stack Exchange!


  • Please be sure to answer the question. Provide details and share your research!

But avoid …


  • Asking for help, clarification, or responding to other answers.

  • Making statements based on opinion; back them up with references or personal experience.

Use MathJax to format equations. MathJax reference.


To learn more, see our tips on writing great answers.




draft saved


draft discarded














StackExchange.ready(
function ()
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fpuzzling.stackexchange.com%2fquestions%2f81584%2finversion-puzzle%23new-answer', 'question_page');

);

Post as a guest















Required, but never shown





















































Required, but never shown














Required, but never shown












Required, but never shown







Required, but never shown

































Required, but never shown














Required, but never shown












Required, but never shown







Required, but never shown







-visual
-

Popular posts from this blog

Creating 100m^2 grid automatically using QGIS?Creating grid constrained within polygon in QGIS?Createing polygon layer from point data using QGIS?Creating vector grid using QGIS?Creating grid polygons from coordinates using R or PythonCreating grid from spatio temporal point data?Creating fields in attributes table using other layers using QGISCreate .shp vector grid in QGISQGIS Creating 4km point grid within polygonsCreate a vector grid over a raster layerVector Grid Creates just one grid

Image
Pattern match does not work in bash script Mage Armor with Defense fighting style (for Adventurers League bladeslinger) LaTeX closing $ signs makes cursor jump String Manipulation Interpreter Can divisibility rules for digits be generalized to sum of digits I'm planning on buying a laser printer but concerned about the life cycle of toner in the machine What is the offset in a seaplane's hull? How can I make my BBEG immortal short of making them a Lich or Vampire? What are the differences between the usage of 'it' and 'they'? The use of multiple foreign keys on same column in SQL Server How did the USSR manage to innovate in an environment characterized by government censorship and high bureaucracy? Is it tax fraud for an individual to declare non-taxable revenue as taxable income? (US tax laws) Why Is Death Allowed In the Matrix? Minkowski space Why are 150k or 200k jobs considered good when there are 300k+ births a month? Why do f...
Read more

Why is this plane circling around the Lucknow airport every day?Why do aircraft on Flight Radar 24 jump around randomly sometimes?What airport has this walkway over a taxiway?How does Chicago O'Hare's tower sequence aircraft at peak capacity?Which airport is featured in this Delta commercial?After a crash, for how long is the airport closed?Can a passenger plane stand still in the air, or hover at a fixed location above a ground?What are those trucks towing around, and why?What is this airport outside of Cairo, Egypt?Which US airport has the lowest circling MDH?What is this airport video?

Image
Freedom of speech and where it applies THT: What is a squared annular “ring”? Hot bath for aluminium engine block and heads Delete database accidentally by a bash, rescue please Why do IPv6 unique local addresses have to have a /48 prefix? How can Trident be so inexpensive? Will it orbit Triton or just do a (slow) flyby? Customize circled numbers Drawing ramified coverings with tikz How does the reference system of the Majjhima Nikaya work? Why did the EU agree to delay the Brexit deadline? Melting point of aspirin, contradicting sources Is Asuka Langley-Soryu disgusted by Shinji? Did US corporations pay demonstrators in the German demonstrations against article 13? Is camera lens focus an exact point or a range? Does a 'pending' US visa application constitute a denial? GraphicsGrid with a Label for each Column and Row How do you respond to a colleague from another team when they're wrongly expecting that you'll help them? How is flybla...
Read more

What is this called? Old film camera viewer?What makes a good film camera?What to do with an old film camera?What should one look for when buying a used film camera?What is the value and age of this pre-1967 Ricoh 35 mm camera?DSLR recommendation, question about old Canon 35mm film Camera & lensesCan anyone identify the silver rangefinder-style camera in this advertisement?What kind of a Polaroid 600-camera is this?Will an old film camera still work even when not used in a very long time?What is this camera / Can I develop the film?How to fit an action camera into antique (bellows) housing?What to check when buying used and old film bodies?

Image
Why is delta-v is the most useful quantity for planning space travel? How to color a zone in Tikz Is there enough fresh water in the world to eradicate the drinking water crisis? Adding empty element to declared container without declaring type of element Can I use my Chinese passport to enter China after I acquired another citizenship? Superhero words! What to do when my ideas aren't chosen, when I strongly disagree with the chosen solution? My boss asked me to take a one-day class, then signs it up as a day off Can a Bard use an arcane focus? Can a malicious addon access internet history and such in chrome/firefox? Pronouncing Homer as in modern Greek Java - What do constructor type arguments mean when placed *before* the type? Is there a good way to store credentials outside of a password manager? Why are all the doors on Ferenginar (the Ferengi home world) far shorter than the average Ferengi? Have I saved too much for retirement so far? Why Were M...
Read more