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Tough Puzzle

 
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zoltag
Expert
Expert


Joined: 01 Apr 2006
Posts: 126

PostPosted: Mon Jan 15, 2007 6:55 am    Post subject: Tough Puzzle Reply with quote

This is the "worst" I have seen generated, yet SE doesn't mind it much.

It is great ALS practice, I don't understand this as yet.

Sorry, if this seems too easy. Embarassed
Code:

. . 1 | 6 8 . | 3 . .
. . . | . . 1 | . 6 .
5 . . | 3 . 7 | . . 8
---------------------
6 . 4 | . . . | 8 7 2
9 . . | . . . | . . 1
. 2 8 | . . . | 5 . 9
---------------------
1 . . | 2 . 8 | . . 3
. 5 . | 1 . . | . . .
. . 9 | . 3 4 | 1 . .
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rep'nA
Hooked
Hooked


Joined: 19 Jan 2007
Posts: 49
Location: Union City, California

PostPosted: Fri Jan 19, 2007 7:53 pm    Post subject: Reply with quote

Zoltag,

Fun puzzle. Here is a 'one-step solution'. After the easy stuff,
Code:
 
 *--------------------------------------------------------------------*
 | 247-   479-   1      | 6      8      5      | 3      29     47     |
 | 23478  34789- 237    | 49     249    1      | 2479-  6      5      |
 | 5      469    26     | 3      249    7      | 249    1      8      |
 |----------------------+----------------------+----------------------|
 | 6      1      4      | 59     59     3      | 8      7      2      |
 | 9      37     5      | 8      47     2      | 6      34     1      |
 | 37     2      8      | 47     1      6      | 5      34     9      |
 |----------------------+----------------------+----------------------|
 | 1      467    67     | 2      567    8      | 479    59     3      |
 | 23478  5      2367   | 1      67     9      | 247    28     467    |
 | 278    678-   9      | 57     3      4      | 1      258    67     |
 *--------------------------------------------------------------------*


a (big) Medusa trap shows that r1c12<>7, r2c27<>9 and r9c2<>7 (though r1c12<>7 is enough to solve the puzzle). For a hint on where to start looking, try r1c8 and color away.

rep'nA
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