Tarek's Windoku Kazaguruma / Windmill X

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Tarek's Windoku Kazaguruma / Windmill X

Postby tarek » Wed Jun 01, 2011 12:53 pm

This is my first attempt at this.
Images by JSudoku which you can use for electronic viewing/assistance.
Puzzle 01 will require advanced fish so PMs will be useful

Puzzle 01

Image
Solution:
Hidden Text: Show
Image

Line Format:
Hidden Text: Show
....1....2.5.8.....8.......1...........8.......8.7.....3.........6...............
.....2.6...6...2...2.4...8.....2.......5...12....................................
.................................................................................
....................................92...3.......2.....5...9.6...8...2...6.7.....
...............5.........8.....1.9.......2...........1.......4.....7.3.9....9....


Puzzle 01 was modified from the original very difficult puzzle which is essentially a machine excercise.
Puzzle 01 Origin:
Hidden Text: Show
.........2.9.1.....1.......7...................1.6...............3...............
.....2.3.......2...2.8...1.............9...7.....................................
.................................................................................
.....................................2...5.............9...4.3...1.......3.6.....
...............9...............7.4...................7.......8.....6.5.4.........


Enjoy
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Re: Tarek's Windoku Kazaguruma / Windmill X

Postby dyitto » Wed Jun 01, 2011 8:09 pm

Do you have a line format of the solution?
evert on the crashed forum
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Re: Tarek's Windoku Kazaguruma / Windmill X

Postby dyitto » Wed Jun 01, 2011 8:20 pm

I already did the visual check.

My solver solves your puzzle. And I know for very sure I never programmed any fish.
Only pointing pairs, hidden/naked subsets and group-interactions (locked subsets).
evert on the crashed forum
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Re: Tarek's Windoku Kazaguruma / Windmill X

Postby tarek » Wed Jun 01, 2011 9:44 pm

dyitto wrote:I already did the visual check.
My solver solves your puzzle. And I know for very sure I never programmed any fish.
Only pointing pairs, hidden/naked subsets and group-interactions (locked subsets).
Thanks dyitto. My solver may have missed some group interactions. That means that the puzzle should be solvable without pencilmarks :D
dyitto wrote:Do you have a line format of the solution?
I guess you don't need it now that you've solved it.
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Puzzle02: 4 satellite windokus & a central DGX

Postby tarek » Wed Jun 01, 2011 10:18 pm

Puzzle02:

This puzzle has the 4 windoku satellite grids (no X diagonals)
The central grid has Disjoint groups (DG) & X diagonals.
The puzzle should be solvable within SSTS
Images by JSudoku which can be used for electronic assistance (Tricky to tweak with this type of puzzle)

Image

Solution:
Hidden Text: Show
Image

Line format:
Hidden Text: Show
Code: Select all
.48.17.5.........46...2.............8.97.....1...8........................5......
...23.8..........19...7...5....4.......5..3.7........9.................3.......6.
.................................................................................
.3.......6.................3........1.4..3.......6....4...3...82..........5.29...
......2........................6...5.....71.3.............8...75.........3.21.58.

348617952521839674697524138764392581839751426152486397973168245286945713415273869
471235896653489271928176435397648152286591347145327689719863524862754913534912768
168245397945713286273869145826534719534197862791682534482971653659328471317456928
539147826617892534842356791356971482174283659928564317491735268263418975785629143
971653248328471659456928731817362495295847163643195872169584327582736914734219586

[EDIT: Puzzle image updated]
Last edited by tarek on Tue Jun 07, 2011 3:14 pm, edited 1 time in total.
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Puzzle03: Impossible WindmillX

Postby tarek » Tue Jun 07, 2011 1:37 pm

Puzzle03: ?Impossible

This puzzle is not human-solvable. It may prove even difficult for machines to solve.
I stopped JSudoku after 10 minutes ... So unless you've got a good machine don't bother.
I will keep it as a challenge for programmers here to provide the solution.
Images by JSudoku which can be used for electronic assistance (Well, there isn't a single placement after all available techniques)

Image

Line format:
Hidden Text: Show
Code: Select all
..................4...8........3................5.......6......5.................
.2....3.............8.........1..........91......................................
.................................................................................
......................................75..........3.........1.............4....7.
.................9......7.......5................8........3...7..................

Solution:
Hidden Text: Show
That is the challenge :D
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Re: Tarek's Windoku Kazaguruma / Windmill X

Postby puzzlephil » Sat Mar 09, 2013 12:59 pm

This is really a very hard puzzle. It took my "machine" quite a while to solve it. But I can testify that it has one unique solution (see below and attached).
My respect to you, Tarek!! How do you actually produce these puzzles? I would love to discuss this with you.
best regards,
puzzlephil

Code: Select all
...697321548.........
...158496732.........
...432785196.........
...761932485726914358
...385647921394758216
...249518673158326974
...826179354862173549
...573864219537849162
...914253867419265837
693852417936285437691
481937625481973681425
752461938572641592783
236798541623798154...
817546392748156329...
549123786195324786...
975284163376245918...
168379254584913672...
324615879912687435...
.........259431867...
.........437862591...
.........861579243...
Attachments
Impossible WindmillX - Solution by puzzlephil.pdf
Impossible WindmillX - solution by puzzlephil
(43.76 KiB) Downloaded 191 times
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Re: Tarek's Windoku Kazaguruma / Windmill X

Postby tarek » Sun Mar 17, 2013 4:48 pm

One and a half years is not a bad time ... Congrats phil

Unfortunately, work & time constraints prevent sudoku dedication now. I keep making promises (more like false hopes) about finding time to continue forum mail/posts/threads especially what I started. So I'll stop making promises for now and continue hoping for free time sometime in the near future. :D
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Re: Tarek's Windoku Kazaguruma / Windmill X

Postby enxio27 » Tue Mar 19, 2013 2:25 am

tarek wrote:Unfortunately, work & time constraints prevent sudoku dedication now. I keep making promises (more like false hopes) about finding time to continue forum mail/posts/threads especially what I started. So I'll stop making promises for now and continue hoping for free time sometime in the near future. :D

:cry: Please don't disappear forever!

I'm still working on your Bank Holiday 1108 Sumo Special, although I think I'm stuck for now. I'll probably have to throw it into SudokuSolver and get a hint. I really have no idea what techniques it requires, and whether some of those are out of my league for now.
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Re: Tarek's Windoku Kazaguruma / Windmill X

Postby tarek » Fri Mar 22, 2013 5:25 pm

enxio27 wrote:
tarek wrote:Unfortunately, work & time constraints prevent sudoku dedication now. I keep making promises (more like false hopes) about finding time to continue forum mail/posts/threads especially what I started. So I'll stop making promises for now and continue hoping for free time sometime in the near future. :D

:cry: Please don't disappear forever!
That will not happen :D. It is just that I'm not in a position to make promises because I can't predict when I'm free at the moment. I modified my simple human-like solver to accommodate variants in the past (Sudoku^2 & Setdoku). Adopting it for Sumo special shouldn't be technically difficult, just time consuming ;) . It is on the to-do list :idea:
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