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Everything but the kitchen sink!

 
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humble_programmer

Joined: 27 Jun 2006
Posts: 69
:
Location: Colorado Springs, USA

Items
PostPosted: Thu Sep 20, 2007 1:13 am    Post subject: Everything but the kitchen sink! Reply with quote

I stumbled across this puzzle while testing my home-rolled generator, and it captured my attention because of the sheer number of different solving techniques it uses:

Code:

. . .  2 . .  . 1 .
. . 6  3 . 1  . . 7
. 1 .  . 9 .  . . .

3 5 .  . . 9  . 2 .
. . 4  . . .  9 . .
. 6 .  7 . .  . 8 4

. . .  . 4 .  . 5 .
7 . .  9 . 3  8 . .
. 9 .  . . 6  . . .

...2...1...63.1..7.1..9....35...9.2...4...9...6.7...84....4..5.7..9.38...9...6... # 95645 FNBTWXYK C26.M/S4.da


suexrat9 rated it at 212, and Scanraid's Sudoku Solver required the following techniques to solve it:

Y-Wing, Finned X-Wing (regular & Sashimi), Swordfish (regular & Finned), Almost Locked Sets, Aligned Pair Exclusion, Alt. Inference Chains (regular and w/Groups), X-Cycle, XY-Chain, Sue-de-Coq, Death Blossom (x2!), Pattern Overlay Method, and a lot of Bowman Bingo.

And that's all in one puzzle!
_________________
Cheers!
Humble Programmer
,,,^..^,,,
www.humble-programmer.com
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Pat

Joined: 06 Sep 2006
Posts: 243
:

Items
PostPosted: Mon Oct 01, 2007 8:10 am    Post subject: Reply with quote

humble_programmer wrote:

I stumbled across this puzzle while testing my home-rolled generator,
and it captured my attention because of the sheer number of different solving techniques it uses:
      [ 26 clues ]
Code:

 . . . | 2 . . | . 1 .
 . . 6 | 3 . 1 | . . 7
 . 1 . | . 9 . | . . .
-------+-------+------
 3 5 . | . . 9 | . 2 .
 . . 4 | . . . | 9 . .
 . 6 . | 7 . . | . 8 4
-------+-------+------
 . . . | . 4 . | . 5 .
 7 . . | 9 . 3 | 8 . .
 . 9 . | . . 6 | . . .




Sudoku Explainer wrote:

Difficulty rating: 8.4
    52 x Hidden Single
    1 x Direct Hidden Pair
    2 x Naked Single
    5 x Pointing
    1 x Claiming
    1 x Naked Pair
    1 x Naked Triplet
    1 x Swordfish

    5 x Turbot Fish
    2 x Forcing X-Chain
    11 x Forcing Chain
    3 x Nishio Forcing Chains
    4 x Cell Forcing Chains
    9 x Region Forcing Chains
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