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Into Sudoku (english/german/dutch/french)

 
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Henk

Joined: 13 Nov 2005
Posts: 105
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PostPosted: Mon Nov 14, 2005 7:18 pm    Post subject: Into Sudoku (english/german/dutch/french) Reply with quote

Hi,

I created Into Sudoku, a sudoku generator/solver. The program is written in C++/MFC. The program support a lot solving techniques with documentation. Some unique features are chain drawing (see second image below), online puzzle collection and searching the hardest sudoku. The level of the puzzles vari from very simple, to extremely hard puzzles. The program supports copy/paste from forums in most formats. There are no minimum requirements. The program runs on all versions of Windows, and it even runs on Linux under WINE if Internet Explorere is installed. The program supports English, German and Dutch.

Url:
Website
Download v1.86 installer
Very hard example puzzle

Play screen:


Draw chains:


Coloring and candidate filter:


Generate puzzle:


Six puzzles on one page (for printing):


Features:

    Generate puzzles on every desired level.
    Learn how to solve challanging puzzles using advanced techniques by asking hints. The computer can be asked for a hint without solving the puzzle for you.
    Get human-style hints with highlighted cells and explanation in text.
    Read about different techniques in the included documentation.
    Let the computer take over the time consuming task of determing candidate values. The program can automatically calculate the candidate values without spoil the fun of solving the puzzle.
    Print puzzles so they can be solved on paper.
    Simple to use.
    Highlight values to easily get an overview of the puzzle.
    Multilanguage; Dutch, German, French and English.
    Print multiple puzzles on one page.
    Symmetrical puzzles; random, rotational or reflective.
    Number and letter Sudoku.
    Filter candidates.
    User friendly layout.
    Practice mode; practice any technique.
    Chalanging puzzles; play Sudoku's up to 10 stars.
    Lightning fast Sudoku generator; generates up to 5000 puzzles per minute.
    Build in community; online puzzle collection and forum
    Supports most well known solving techniques:

      SingleInBox
      SingleInRow
      SingleInCol
      Naked Single
      PointingPair
      BoxLineReduction
      NakedPair
      NakedTriple
      NakedQuad
      HiddenPair
      HiddenTriple
      HiddenQuad
      RemotePair
      X-Wing
      SwordFish
      Empty Rectangles
      Color
      MultiColor
      XY-Wing
      XYZ-Wing
      Bug removal
      Unique Rectangle 1
      Unique Rectangle 2
      Unique Rectangle 3
      Unique Rectangle 4
      Nice Loops
      Double implication Chain
      Triple implication Chain
      Trial & Error



The program can be used free of charge. But to cover the expenses of the website, a license is needed for these advanced functions (4,95 euro):

    generate custom sudoku
    multiple puzzle generation (at the same time)
    search for hardest
    add puzzles to online puzzle collection


Last edited by Henk on Sat Jun 21, 2008 6:07 am; edited 8 times in total
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Henk

Joined: 13 Nov 2005
Posts: 105
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PostPosted: Sun Feb 26, 2006 10:40 pm    Post subject: Reply with quote

I released version 1.75 of Into Sudoku, so I edited and updated this post.
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Generate and solve Sudoku puzzles with Into Sudoku!
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Henk

Joined: 13 Nov 2005
Posts: 105
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PostPosted: Tue Sep 26, 2006 11:13 am    Post subject: Reply with quote

I updated this post for version 1.83.

I am working on version 1.84, which includes a French translation and a nice new feature to locate all the backdoors of a puzzle! A backdoor is a candidate which breaks a very hard puzzle into a very easy one. Most puzzles contain several backdoors. Finding these will help you solve the puzzle in the shortest possible path. The beta for version 1.84 is only available on the forum of Into Sudoku, it will be released in a few weeks.
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Generate and solve Sudoku puzzles with Into Sudoku!
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Henk

Joined: 13 Nov 2005
Posts: 105
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PostPosted: Fri Jun 20, 2008 9:46 pm    Post subject: Reply with quote

Tonight I released version 1.86. Into Sudoku is now also optimized for Quad Core cpu's and it should work perfectly on Windows Vista.
_________________
Generate and solve Sudoku puzzles with Into Sudoku!


Last edited by Henk on Sat Jun 21, 2008 6:05 am; edited 1 time in total
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wapati

Joined: 12 Jun 2007
Posts: 622
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Location: Canada

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PostPosted: Sat Jun 21, 2008 5:15 am    Post subject: Reply with quote

New solving techniques have not been added since 2006.

Yes, chains solve puzzles. They are the last step before brute force.
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rasman

Joined: 30 Jan 2010
Posts: 1
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PostPosted: Sat Jan 30, 2010 10:36 pm    Post subject: Getting execution errors Reply with quote

We ae trying to use the trial version of the software and are getting Microsoft Software execution errors... you know the ones where the program is doing something wrong and Microsoft asks if you want the details sent to them.

I have tried to un-install and also tried the earlier version, both encountered the same problem.

Any advice? I am running Windows XP Pro 2002 Service Pack 2. I will check at Microsoft if there are any porgram updates for me but other than that I don't know what to do.

Suggestions?
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