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Best of LMI Mocks - December Sudoku Test — 16th-18th December43 posts • Page 1 of 2 • 1 2
@ 2011-12-13 3:54 AM (#6181 - in reply to #6166) (#6181) Top

David McNeill



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David McNeill posted @ 2011-12-13 3:54 AM

In Series Sudoku, is it true, from a solving point of view, that the order of the series has no significance and we simply have to ensure that the shaded cells contain a digit contained in the set of given numbers?
@ 2011-12-13 4:30 AM (#6182 - in reply to #6181) (#6182) Top

debmohanty




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debmohanty posted @ 2011-12-13 4:30 AM

David McNeill - 2011-12-13 3:54 AM

In Series Sudoku, is it true, from a solving point of view, that the order of the series has no significance and we simply have to ensure that the shaded cells contain a digit contained in the set of given numbers?

Yes.
@ 2011-12-13 9:52 AM (#6183 - in reply to #6179) (#6183) Top

vopani



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vopani posted @ 2011-12-13 9:52 AM

swaroop2011 - 2011-12-12 9:41 PM

Rohan Rao - 2011-12-12 9:31 PM

swaroop2011 - 2011-12-12 9:26 PM

in SERIES SUDOKU

in given series of numbers : the number 1 is repeated
is it purposefully given or bymistakely.

The theme is 'Pi'.


hey sry i didnt understood what are u saying?

The repetition of digits and sequence of digits does not matter as long as those digits appear in shaded cells. The '1' is repeated because the theme is 'Pi', the givens are shaped like the symbol 'Pi' and the numbers outside represent the value of 'Pi'.

Edited by Rohan Rao 2011-12-13 9:53 AM
@ 2011-12-13 12:38 PM (#6184 - in reply to #6166) (#6184) Top

swaroop2011




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swaroop2011 posted @ 2011-12-13 12:38 PM

ohh got it :)
@ 2011-12-13 5:36 PM (#6185 - in reply to #6184) (#6185) Top

Fred76




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Fred76 posted @ 2011-12-13 5:36 PM

It looks very interesting .

I find it difficult to distinguish the gray lines and arrows on hidden skyscrapers and diagonal consecutive. Could they be a bit darker on the test grids?

Thanks !

Fred
@ 2011-12-13 7:48 PM (#6186 - in reply to #6185) (#6186) Top

debmohanty




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debmohanty posted @ 2011-12-13 7:48 PM

Fred76 - 2011-12-13 5:36 PM

It looks very interesting .

I find it difficult to distinguish the gray lines and arrows on hidden skyscrapers and diagonal consecutive. Could they be a bit darker on the test grids?

Thanks !

Fred


Changed the arrows to 40% black (it was 20% earlier). Let me know if this is better.




(Hidden_New.png)



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@ 2011-12-13 8:35 PM (#6187 - in reply to #6186) (#6187) Top

Fred76




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Fred76 posted @ 2011-12-13 8:35 PM

Much better for me, thanks !
@ 2011-12-13 9:19 PM (#6188 - in reply to #6166) (#6188) Top

debmohanty




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debmohanty posted @ 2011-12-13 9:19 PM

Ok. Same changes to Diagonal Consecutive.




(Dia_Cons_New.png)



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Attachments Dia_Cons_New.png (17KB - 0 downloads)
@ 2011-12-15 3:38 PM (#6189 - in reply to #6166) (#6189) Top

greenhorn



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greenhorn posted @ 2011-12-15 3:38 PM

I definitely love the "number tree." Great idea, Deb!
@ 2011-12-15 4:03 PM (#6190 - in reply to #6189) (#6190) Top

debmohanty




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debmohanty posted @ 2011-12-15 4:03 PM

greenhorn - 2011-12-15 3:38 PM

I definitely love the "number tree." Great idea, Deb!

Thanks, but I deserve 0 credit for that.
Serkan had it designed from Umit Berkup who is a Turkish graphics and puzzle designer with specialization in book covers, oil paintings, photoshop manipulations and comics. Some of Umit's work can be seen at his Facebook page - http://www.facebook.com/umitberkup?sk=photos
@ 2011-12-15 9:07 PM (#6191 - in reply to #6190) (#6191) Top

utkaarsh



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utkaarsh posted @ 2011-12-15 9:07 PM

I was solving the IB exmaples and found Windoku sample a tough one, took more than 10 minutes, just wanted general opinion on its difficulty, if some top solvers can share thier timing !!

Edited by utkaarsh 2011-12-15 9:08 PM
@ 2011-12-16 10:42 AM (#6192 - in reply to #6191) (#6192) Top

vopani



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vopani posted @ 2011-12-16 10:42 AM

utkaarsh - 2011-12-15 9:07 PM

I was solving the IB exmaples and found Windoku sample a tough one, took more than 10 minutes, just wanted general opinion on its difficulty, if some top solvers can share thier timing !!

I would not say it is easy for an average solver, but I've seen ones that are a lot tougher than this one. Took me around 8 minutes for this one (and solvable logically, without a need for guesswork), but I am not a 'top solver' in Windoku :-)

I hope you use the Windoku 'extra-regions' rule: (Each set of same-coloured cells contains numbers 1-9 apart from the nine 3x3 boxes and four 3x3 regions)

Edited by Rohan Rao 2011-12-16 1:46 PM




(Windoku Grid.png)



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Attachments Windoku Grid.png (4KB - 5 downloads)
@ 2011-12-16 12:11 PM (#6193 - in reply to #6166) (#6193) Top

utkaarsh



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utkaarsh posted @ 2011-12-16 12:11 PM

Thanks Rohan, yes did make use of the extra region logic, but resorted to trial and error which did not go right !!


Edited by utkaarsh 2011-12-16 12:17 PM
@ 2011-12-16 6:01 PM (#6199 - in reply to #6166) (#6199) Top

swaroop2011




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swaroop2011 posted @ 2011-12-16 6:01 PM

can somebody help me out with NEIGHBOURS
i only got one number 5 at R8C8 and thats it..
No further clues to proceed accept some pencil markings..
@ 2011-12-16 6:42 PM (#6200 - in reply to #6199) (#6200) Top

Fred76




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Fred76 posted @ 2011-12-16 6:42 PM

swaroop2011 - 2011-12-16 6:01 PM

can somebody help me out with NEIGHBOURS
i only got one number 5 at R8C8 and thats it..
No further clues to proceed accept some pencil markings..


In the 9th box: you have a pair 28 next to the 5 (edges). Then at R9C7 in can only be 4 or 7. Then you can place the 1 in row 8 (considering that there isn't edge between R9C67, then 4 can't be placed at R9C6 ). You can place 1 and 4 in 8th box, then the 9 in row 8, etc...

I like how the N=3 works (I think that perhaps I'm the inventor of this variant?): You have to "think" digits into 3 groups: 1-4-7, 2-5-8 and 3-6-9. And in these groups 4, 5 and 6 play a central role.
Each N has it's own logic, perhaps you have to think about it for each N before the test

Fred
@ 2011-12-16 6:53 PM (#6202 - in reply to #6200) (#6202) Top

swaroop2011




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swaroop2011 posted @ 2011-12-16 6:53 PM

Fred76 - 2011-12-16 6:42 PM

swaroop2011 - 2011-12-16 6:01 PM

can somebody help me out with NEIGHBOURS
i only got one number 5 at R8C8 and thats it..
No further clues to proceed accept some pencil markings..


In the 9th box: you have a pair 28 next to the 5 (edges). Then at R9C7 in can only be 4 or 7. Then you can place the 1 in row 8 (considering that there isn't edge between R9C67, then 4 can't be placed at R9C6 ). You can place 1 and 4 in 8th box, then the 9 in row 8, etc...

I like how the N=3 works (I think that perhaps I'm the inventor of this variant?): You have to "think" digits into 3 groups: 1-4-7, 2-5-8 and 3-6-9. And in these groups 4, 5 and 6 play a central role.
Each N has it's own logic, perhaps you have to think about it for each N before the test

Fred


hey thanks.

hey can u tell me for the NON CONSECUTIVE KILLER

for this somehow i got
2 at R1C6
2 at R3C7
8 at R3C8
7 at R4C1
ONLY THESE FOUR NUMBERS..

Edited by swaroop2011 2011-12-16 6:56 PM
@ 2011-12-16 7:55 PM (#6203 - in reply to #6166) (#6203) Top

Administrator



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Administrator posted @ 2011-12-16 7:55 PM


Announcements
  • Password protected pdf uploaded. It has 9 pages, each page has 2 sudokus, there is no cover page / points table.
  • Partial bonus points : 6 points per minute saved, if all 18 are submitted, but one sudoku is incorrect with maximum 4 digits wrong

Some usual stuff
  • 3 of the 4 mini sudokus, each has 1 row marked. All other sudokus are marked with 2 rows / columns
  • Sudokus can be solved either online or using printing. It is based on your choice and comfort
  • If you are solving online, it is not necessary to submit again using paper mode. Some players do this even after repeated requests. Please don't do.


@ 2011-12-16 11:25 PM (#6204 - in reply to #6166) (#6204) Top

debmohanty




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debmohanty posted @ 2011-12-16 11:25 PM

If you don't need the sudokus to be loaded in your browser for online solving, you may use the paper only link - http://logicmastersindia.com/M201112S/?paper=1
@ 2011-12-17 12:50 AM (#6205 - in reply to #6166) (#6205) Top

debmohanty




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debmohanty posted @ 2011-12-17 12:50 AM

@ 2011-12-18 9:29 AM (#6208 - in reply to #6202) (#6208) Top

rajeshk




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rajeshk posted @ 2011-12-18 9:29 AM



hey can u tell me for the NON CONSECUTIVE KILLER

for this somehow i got
2 at R1C6
2 at R3C7
8 at R3C8
7 at R4C1
ONLY THESE FOUR NUMBERS..


To proceed little further, check 20 at 3rd block can contain only 956, to avoid 56 coming consecutive, 9 has to be inbetween them at R1C8




Edited by rajeshk 2011-12-18 9:30 AM
@ 2011-12-19 1:24 AM (#6209 - in reply to #6166) (#6209) Top

Para



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Para posted @ 2011-12-19 1:24 AM

Well the puzzling was fun, except I was too slow/late putting in the answers, so that was a bit lousy.
@ 2011-12-19 1:43 AM (#6210 - in reply to #6166) (#6210) Top

motris



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motris posted @ 2011-12-19 1:43 AM

Brilliant puzzles across the board. Thanks Deb!
@ 2011-12-19 1:50 PM (#6211 - in reply to #6166) (#6211) Top

Minfang Lin



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Minfang Lin posted @ 2011-12-19 1:50 PM

I think some hints in "sum or product frame" can be removed, like 15 in col5, 18 in row9, 15 in col9, 18 in col1, 10 in row8, 10 in row4, and the puzzle has unique solution too.
But maybe it will make participator much easier to find the point :)
@ 2011-12-19 2:52 PM (#6212 - in reply to #6211) (#6212) Top

debmohanty




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debmohanty posted @ 2011-12-19 2:52 PM

Minfang Lin - 2011-12-19 1:50 PM

I think some hints in "sum or product frame" can be removed, like 15 in col5, 18 in row9, 15 in col9, 18 in col1, 10 in row8, 10 in row4, and the puzzle has unique solution too.
But maybe it will make participator much easier to find the point :)

The original puzzle didn't have the 4 inside clues. But then it was much harder. I added those 4 hints after Zoltan's testing, but I didn't check if I should remove some of the outside hints.

The score page has some bugs - points for Linked Mini is not computed for all, motris' row shows 0/18, and some players' score is missing completely. Allow me few hours to make the score page public after I fix the bugs.
@ 2011-12-19 5:37 PM (#6213 - in reply to #6166) (#6213) Top

prasanna16391



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prasanna16391 posted @ 2011-12-19 5:37 PM

Can someone post the solution to Outside Killer, if the test is now over? I'm really getting muddled up somewhere, even though I feel I've used solid logic am getting a column repeat.

As for the test, some really nice Sudokus. My best rank on LMI, so I'm quite happy with my performance even though I can still improve(my classics speed is horrible, believe it or not I took 3 min each for both the 25 point classic and the 80 point Nonconsecutive killer [:s] ).
Best of LMI Mocks - December Sudoku Test — 16th-18th December43 posts • Page 1 of 2 • 1 2
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