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Location: India | Logic Masters India announces Parallel Universe II — April Puzzle Test
Dates : 25 th — 28 st April (It will be starting earlier than usual LMI tests, and will be open for little longer as well )
Instructions Booklet and Submission : here
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Hex Slitherlink Author
Posts: 145
Location: France | Hahaha! Now I understand the whole point of the "parallel universe" thing! This is probably going to be my favorite birthday present this year :) Thanks so much Prasanna! |
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PR 2020 (Shading and Loops) Author
Posts: 668
Location: India | In similar eggs, it says 0 or 1 white circles, so does that mean two given white circles cant be in same island ? |
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Typed Logic Author
Posts: 241
Location: Indonesia | swaroop2011 - 2014-04-22 8:37 AM
In similar eggs, it says 0 or 1 white circles, so does that mean two given white circles cant be in same island ?
Yes, no two white circles are on the same island, according to my interpretation. (Otherwise Prasanna should have written "white cells cannot be passed by the snake" period, without saying anything about the number of them in an island.)
auroux - 2014-04-22 7:36 AM
Hahaha! Now I understand the whole point of the "parallel universe" thing! This is probably going to be my favorite birthday present this year :) Thanks so much Prasanna!
I still don't understand. :( From what I see, the two tests simply have a common theme, but what other point? |
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Posts: 67
Location: France | Hello,
This new contest looks very exciting. But as I am a beginner, I can only hope to solve 3 or 4 problems in the allotted time. Is it possible, for this contest as for the other ones, to provide a decreasing system of points, encouraging to continue to look for other problems after the end of the planned 121 minutes? Thank you in advance. |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1809
Location: India | swaroop2011 - 2014-04-22 5:37 AM
In similar eggs, it says 0 or 1 white circles, so does that mean two given white circles cant be in same island ?
Yup thats exactly what it means. |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1809
Location: India | auroux - 2014-04-22 4:36 AM
Hahaha! Now I understand the whole point of the "parallel universe" thing! This is probably going to be my favorite birthday present this year :) Thanks so much Prasanna!
Is it your birthday on 25th? Either way, I'm glad that this has been timed as such for you. :) |
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Posts: 172
Location: ITALY | a question about STILO
all BLACK cells are connected to each other. Should the WHITE cells be connected as well? |
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PR 2020 (Shading and Loops) Author
Posts: 668
Location: India | forcolin - 2014-04-23 3:00 AM
a question about STILO
all BLACK cells are connected to each other. Should the WHITE cells be connected as well?
i think its not otherwise it would have been mentioned.
Connectivity rule is applicable only for shaded cells :) |
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Posts: 315
Location: The Netherlands | forcolin - 2014-04-23 3:00 AM
a question about STILO
all BLACK cells are connected to each other. Should the WHITE cells be connected as well?
No. The rules are the same as in normal LITS.
For some examples (Inversed LITS):
http://puzzleparasite.blogspot.com.au/2012/06/puzzle-112-lits-inver...
http://puzzleparasite.blogspot.com.au/2014/04/14th-24-hour-puzzle-c...
http://maybepuzzles.wordpress.com/2014/04/05/puzzle-21-inversed-lit...
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Posts: 114
Location: India | In STILO should the adjacent shapes be different from each other when touched orthogonal.
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1809
Location: India | devarajand - 2014-04-23 12:07 PM
In STILO should the adjacent shapes be different from each other when touched orthogonal.
Yes.
The base rules are - When two “shapes” (tetrominoes formed by a group of 4 continuous cells) in adjacent regions
share an edge, they must not be of the same type, regardless of rotations or reflections.
In LITS, the shapes must be formed by shaded cells within a region and in STILO, by unshaded cells, but in both, the shaded cells must be connected throughout the grid. |
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Location: India | Practice puzzles from "their" Prasanna now available at submission page.
Note that, an updated version was uploaded around 9AM IST (3:30 AM GMT ) on 24th.
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Typed Logic Author
Posts: 241
Location: Indonesia | From which universe's Prasanna? :P |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1809
Location: India | chaotic_iak - 2014-04-24 6:42 AM
From which universe's Prasanna? :P
Oh theirs, of course. I'm too busy right now to do this. |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1809
Location: India | Note about Practice - The Kakuro probably needs a 40 clue on Row 2 to work logically. The new PDF will be uploaded in a while, with the change. |
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Location: India | prasanna16391 - 2014-04-24 8:06 AM
Note about Practice - The Kakuro probably needs a 40 clue on Row 2 to work logically. The new PDF will be uploaded in a while, with the change. Uploaded. |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1809
Location: India | The Contest start-time has been changed due to administrative constraints
The new start time is 9:30 PM IST (4 PM GMT) on 24th, i.e., in about 23 minutes.
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Posts: 33
Location: Japan | >Prasanna
In Practice,
Akichiwake, r6c3 is not 9 but 7?
Syuma, why mustn't two cells at the lowest and left be passed? |
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Posts: 33
Location: Japan | Kota - 2014-04-24 9:24 PM
>Prasanna
In Practice,
Akichiwake, r6c3 is not 9 but 7?
Syuma, why mustn't two cells at the lowest and left be passed?
Sorry, I had a mistake for Syuma's rule. Please forget. |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1809
Location: India | Kota - 2014-04-24 9:24 PM
>Prasanna
In Practice,
Akichiwake, r6c3 is not 9 but 7?
Syuma, why mustn't two cells at the lowest and left be passed?
For Akichiwake, there is this line in the rules - There need not be an area equal to this value, the only restriction is there can be no area larger than the
value connected within the region.
The region can basically work without any number but I put in the 9 to illustrate this sentence. The number just shows that there cannot be a white area larger than that. |
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Typed Logic Author
Posts: 241
Location: Indonesia | Kota - 2014-04-25 12:24 AM
In Practice,
Akichiwake, r6c3 is not 9 but 7?
The number given is not necessarily reached.
EDIT: ...
Edited by chaotic_iak 2014-04-24 9:34 PM
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Posts: 33
Location: Japan | chaotic_iak - 2014-04-24 9:34 PM
Kota - 2014-04-25 12:24 AM
In Practice,
Akichiwake, r6c3 is not 9 but 7?
The number given is not necessarily reached.
EDIT: ...
Thanks for your opinion.
I skipped the words 'maximum possible'... |
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Classics & Regions (PR 2016/17) Author
Posts: 170
Location: Germany | Whee, some seriously other-universly types here. When I saw the Heyawake variant rules I thought at least it can't be as weird as Hayeweka, but it feels almost as twisted when solving. Thanks for the practice puzzles, by the way! (Is that Kakuro de Ni-keta insanely hard by any chance?) |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1809
Location: India | rob - 2014-04-25 12:06 AM
(Is that Kakuro de Ni-keta insanely hard by any chance?)
I think that type is inherently gonna be hard most of the time, unless the author makes a real effort towards simplifying things (giving more two-cell sums, etc. in the layout, or obviously low sums, neither of which "that" Prasanna did here extensively  ). But yes, this one's a bit hard, and good practice for the high pointer on the test, I feel.
Also, hope you have the changed version with the 40 sum in R2. Just checking to make sure. |
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Parallel Universe II — April Puzzle Test — 25th-28th April
