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Set G Puzzle 43

 
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daj95376



Joined: 23 Aug 2008
Posts: 3855

PostPosted: Mon Dec 22, 2008 1:01 am    Post subject: Set G Puzzle 43 Reply with quote

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

Play this puzzle online at the Daily Sudoku site
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Marty R.



Joined: 12 Feb 2006
Posts: 5152
Location: Rochester, NY, USA

PostPosted: Mon Dec 22, 2008 2:29 am    Post subject: Reply with quote

This was another puzzle that I enjoyed. I used an XY-Wing, kite, multi-coloring, hidden UR, an XY-Chain which the purists disapprove of (*) and another hidden UR.

* Because it didn't consist exclusively of bivalue cells.
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storm_norm



Joined: 18 Oct 2007
Posts: 1741

PostPosted: Mon Dec 22, 2008 6:00 pm    Post subject: Reply with quote

Code:
.------------------.------------------.------------------.
| 4     237   2367 | 37    8     9    | 267   5     1    |
| 9     1     5    | 37    2     6    | 78    38    4    |
| 367   8     2367 | 4     1     5    | 267   36    9    |
:------------------+------------------+------------------:
| 37    37    8    | 1     6     4    | 9     2     5    |
| 2     5     4    | 9     7     3    | 1     68    68   |
| 1     6     9    | 2     5     8    | 4     7     3    |
:------------------+------------------+------------------:
| 3567  9     2367 | 8     4     27   | 356   1     26   |
| 8     23    1236 | 5     9     12   | 36    4     7    |
| 57    4     127  | 6     3     127  | 58    9     28   |
'------------------'------------------'------------------'

x-wing on 6 removes the 6's in r8c3 and r8c7.
that opens up this nice one

(5)r9c1 = (5-6)r7c1 = (6-2)r7c9 = (2-8)r9c9 = (8)r9c7; r9c7 <> 5
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