Inversion Puzzle The 2019 Stack Overflow Developer Survey Results Are In Announcing the arrival of Valued Associate #679: Cesar Manara Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)What 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
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Inversion Puzzle
The 2019 Stack Overflow Developer Survey Results Are In
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)What 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
$begingroup$
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
asked Apr 9 at 21:16
Artem LuginArtem Lugin
38510
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.
$endgroup$
add a comment |
$begingroup$
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
asked Apr 9 at 21:16
Artem LuginArtem Lugin
38510
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
Apr 9 at 21:42
$begingroup$
Because I drew them in procreate. Thats a good point I'll remember that next time I make something like this
$endgroup$
– Artem Lugin
Apr 9 at 21:45
add a comment |
$begingroup$
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
asked Apr 9 at 21:16
Artem LuginArtem Lugin
38510
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.
$endgroup$
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
asked Apr 9 at 21:16
Artem LuginArtem Lugin
38510
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 Apr 9 at 21:16
Artem LuginArtem Lugin
38510
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 Apr 9 at 21:16
Artem LuginArtem Lugin
38510
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 Apr 9 at 21:16
Artem LuginArtem Lugin
38510
asked Apr 9 at 21:16
Artem LuginArtem Lugin
38510
38510
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
Apr 9 at 21:42
$begingroup$
Because I drew them in procreate. Thats a good point I'll remember that next time I make something like this
$endgroup$
– Artem Lugin
Apr 9 at 21:45
add a comment |
$begingroup$
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
Apr 9 at 21:42
$begingroup$
Because I drew them in procreate. Thats a good point I'll remember that next time I make something like this
$endgroup$
– Artem Lugin
Apr 9 at 21:45
$begingroup$
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
Apr 9 at 21:42
$begingroup$
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
Apr 9 at 21:42
$begingroup$
Because I drew them in procreate. Thats a good point I'll remember that next time I make something like this
$endgroup$
– Artem Lugin
Apr 9 at 21:45
$begingroup$
Because I drew them in procreate. Thats a good point I'll remember that next time I make something like this
$endgroup$
– Artem Lugin
Apr 9 at 21:45
add a comment |
2 Answers
2
active
oldest
votes
$begingroup$
My solution is
2 moves to make the inversions - was very slow to make this horrible graphic!
answered Apr 9 at 21:55
Weather VaneWeather Vane
2,262112
$endgroup$
$begingroup$
Correct! Also works with most circles and sections
$endgroup$
– Artem Lugin
Apr 9 at 22:49
$begingroup$
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
Apr 9 at 22:51
$begingroup$
Black areas are shaded. Will make it easier next time. You can see the shading better here m.imgur.com/Sg5RLNi
$endgroup$
– Artem Lugin
Apr 9 at 22:58
$begingroup$
My apologies to @PiIsNot3 because I inadvertently copied his final image, mistaking it for the one in the puzzle. Corrected.
$endgroup$
– Weather Vane
Apr 9 at 23:00
add a comment |
$begingroup$
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)
edited Apr 9 at 22:22
Adam
344120
answered Apr 9 at 21:32
PiIsNot3PiIsNot3
2,512437
$endgroup$
$begingroup$
Correct! Not sure who got it first but both correct
$endgroup$
– Artem Lugin
Apr 9 at 22:51
$begingroup$
@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
Apr 10 at 7:11
add a comment |
Your Answer
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
$begingroup$
My solution is
2 moves to make the inversions - was very slow to make this horrible graphic!
answered Apr 9 at 21:55
Weather VaneWeather Vane
2,262112
$endgroup$
$begingroup$
Correct! Also works with most circles and sections
$endgroup$
– Artem Lugin
Apr 9 at 22:49
$begingroup$
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
Apr 9 at 22:51
$begingroup$
Black areas are shaded. Will make it easier next time. You can see the shading better here m.imgur.com/Sg5RLNi
$endgroup$
– Artem Lugin
Apr 9 at 22:58
$begingroup$
My apologies to @PiIsNot3 because I inadvertently copied his final image, mistaking it for the one in the puzzle. Corrected.
$endgroup$
– Weather Vane
Apr 9 at 23:00
add a comment |
$begingroup$
My solution is
2 moves to make the inversions - was very slow to make this horrible graphic!
answered Apr 9 at 21:55
Weather VaneWeather Vane
2,262112
$endgroup$
$begingroup$
Correct! Also works with most circles and sections
$endgroup$
– Artem Lugin
Apr 9 at 22:49
$begingroup$
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
Apr 9 at 22:51
$begingroup$
Black areas are shaded. Will make it easier next time. You can see the shading better here m.imgur.com/Sg5RLNi
$endgroup$
– Artem Lugin
Apr 9 at 22:58
$begingroup$
My apologies to @PiIsNot3 because I inadvertently copied his final image, mistaking it for the one in the puzzle. Corrected.
$endgroup$
– Weather Vane
Apr 9 at 23:00
add a comment |
$begingroup$
My solution is
2 moves to make the inversions - was very slow to make this horrible graphic!
answered Apr 9 at 21:55
Weather VaneWeather Vane
2,262112
$endgroup$
My solution is
2 moves to make the inversions - was very slow to make this horrible graphic!
answered Apr 9 at 21:55
Weather VaneWeather Vane
2,262112
edited Apr 9 at 22:58
answered Apr 9 at 21:55
Weather VaneWeather Vane
2,262112
answered Apr 9 at 21:55
Weather VaneWeather Vane
2,262112
answered Apr 9 at 21:55
Weather VaneWeather Vane
2,262112
2,262112
$begingroup$
Correct! Also works with most circles and sections
$endgroup$
– Artem Lugin
Apr 9 at 22:49
$begingroup$
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
Apr 9 at 22:51
$begingroup$
Black areas are shaded. Will make it easier next time. You can see the shading better here m.imgur.com/Sg5RLNi
$endgroup$
– Artem Lugin
Apr 9 at 22:58
$begingroup$
My apologies to @PiIsNot3 because I inadvertently copied his final image, mistaking it for the one in the puzzle. Corrected.
$endgroup$
– Weather Vane
Apr 9 at 23:00
add a comment |
$begingroup$
Correct! Also works with most circles and sections
$endgroup$
– Artem Lugin
Apr 9 at 22:49
$begingroup$
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
Apr 9 at 22:51
$begingroup$
Black areas are shaded. Will make it easier next time. You can see the shading better here m.imgur.com/Sg5RLNi
$endgroup$
– Artem Lugin
Apr 9 at 22:58
$begingroup$
My apologies to @PiIsNot3 because I inadvertently copied his final image, mistaking it for the one in the puzzle. Corrected.
$endgroup$
– Weather Vane
Apr 9 at 23:00
$begingroup$
Correct! Also works with most circles and sections
$endgroup$
– Artem Lugin
Apr 9 at 22:49
$begingroup$
Correct! Also works with most circles and sections
$endgroup$
– Artem Lugin
Apr 9 at 22:49
$begingroup$
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
Apr 9 at 22:51
$begingroup$
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
Apr 9 at 22:51
$begingroup$
Black areas are shaded. Will make it easier next time. You can see the shading better here m.imgur.com/Sg5RLNi
$endgroup$
– Artem Lugin
Apr 9 at 22:58
$begingroup$
Black areas are shaded. Will make it easier next time. You can see the shading better here m.imgur.com/Sg5RLNi
$endgroup$
– Artem Lugin
Apr 9 at 22:58
$begingroup$
My apologies to @PiIsNot3 because I inadvertently copied his final image, mistaking it for the one in the puzzle. Corrected.
$endgroup$
– Weather Vane
Apr 9 at 23:00
$begingroup$
My apologies to @PiIsNot3 because I inadvertently copied his final image, mistaking it for the one in the puzzle. Corrected.
$endgroup$
– Weather Vane
Apr 9 at 23:00
add a comment |
$begingroup$
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)
edited Apr 9 at 22:22
Adam
344120
answered Apr 9 at 21:32
PiIsNot3PiIsNot3
2,512437
$endgroup$
$begingroup$
Correct! Not sure who got it first but both correct
$endgroup$
– Artem Lugin
Apr 9 at 22:51
$begingroup$
@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
Apr 10 at 7:11
add a comment |
$begingroup$
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)
edited Apr 9 at 22:22
Adam
344120
answered Apr 9 at 21:32
PiIsNot3PiIsNot3
2,512437
$endgroup$
$begingroup$
Correct! Not sure who got it first but both correct
$endgroup$
– Artem Lugin
Apr 9 at 22:51
$begingroup$
@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
Apr 10 at 7:11
add a comment |
$begingroup$
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)
edited Apr 9 at 22:22
Adam
344120
answered Apr 9 at 21:32
PiIsNot3PiIsNot3
2,512437
$endgroup$
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)
edited Apr 9 at 22:22
Adam
344120
answered Apr 9 at 21:32
PiIsNot3PiIsNot3
2,512437
edited Apr 9 at 22:22
Adam
344120
edited Apr 9 at 22:22
Adam
344120
edited Apr 9 at 22:22
Adam
344120
344120
answered Apr 9 at 21:32
PiIsNot3PiIsNot3
2,512437
answered Apr 9 at 21:32
PiIsNot3PiIsNot3
2,512437
answered Apr 9 at 21:32
PiIsNot3PiIsNot3
2,512437
2,512437
$begingroup$
Correct! Not sure who got it first but both correct
$endgroup$
– Artem Lugin
Apr 9 at 22:51
$begingroup$
@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
Apr 10 at 7:11
add a comment |
$begingroup$
Correct! Not sure who got it first but both correct
$endgroup$
– Artem Lugin
Apr 9 at 22:51
$begingroup$
@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
Apr 10 at 7:11
$begingroup$
Correct! Not sure who got it first but both correct
$endgroup$
– Artem Lugin
Apr 9 at 22:51
$begingroup$
Correct! Not sure who got it first but both correct
$endgroup$
– Artem Lugin
Apr 9 at 22:51
$begingroup$
@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
Apr 10 at 7:11
$begingroup$
@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
Apr 10 at 7:11
add a comment |
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.
Artem Lugin is a new contributor. Be nice, and check out our Code of Conduct.
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$begingroup$
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
Apr 9 at 21:42
$begingroup$
Because I drew them in procreate. Thats a good point I'll remember that next time I make something like this
$endgroup$
– Artem Lugin
Apr 9 at 21:45