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Earl
Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
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 Posted: Mon Jul 28, 2008 4:10 pm Post subject: Symmetry |
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This one comes down to a symmetrical pattern (29) that offers a variety of soluitions.
Earl
PS Sorry I dont know how to improve the format.
56.14.73.
14..8..5.
.........
.....7..3
47....8..
..38..1..
.1..2..4.
....94...
85...3... |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Mon Jul 28, 2008 4:49 pm Post subject: |
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| Earl, you could just type the clues into the Draw/Play. I assumed that's what you do when you publish the DBs. |
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nataraj
Joined: 03 Aug 2007
Posts: 1048
Location: near Vienna, Austria
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| Posted: Mon Jul 28, 2008 6:28 pm Post subject: |
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This might help:
| Code: |
+-----------+-----------+-----------+
| 5 6 . | 1 4 . | 7 3 . |
| 1 4 . | . 8 . | . 5 . |
| . . . | . . . | . . . |
+-----------+-----------+-----------+
| . . . | . . 7 | . . 3 |
| 4 7 . | . . . | 8 . . |
| . . 3 | 8 . . | 1 . . |
+-----------+-----------+-----------+
| . 1 . | . 2 . | . 4 . |
| . . . | . 9 4 | . . . |
| 8 5 . | . . 3 | . . . |
+-----------+-----------+-----------+ |
play online |
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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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| Posted: Mon Jul 28, 2008 9:59 pm Post subject: Re: Symmetry |
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| Earl wrote: | This one comes down to a symmetrical pattern (29) that offers a variety of soluitions.
Earl
PS Sorry I dont know how to improve the format.
| Code: | 56.14.73.
14..8..5.
.........
.....7..3
47....8..
..38..1..
.1..2..4.
....94...
85...3... |
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At the very least, highlight the puzzle text, and click the "code" button once.
Keith |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Mon Jul 28, 2008 11:18 pm Post subject: |
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| This certainly was as advertised, with wall-to-wall 29 cells. I didn't try to determine how large a variety of solutions there were, I just used the most obvious one, which was enough to finish it off. |
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ravel
Joined: 21 Apr 2006
Posts: 536
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| Posted: Tue Jul 29, 2008 2:51 pm Post subject: |
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A possible alternative to remote pairs, xy-wing or coloring is the 2-cell-BUG, which eliminates 2 from r3c1 and 9 fom r3c2:
| Code: | *------------------------------------------*
| 5 6 29 | 1 4 29 | 7 3 8 |
| 1 4 7 | 3 8 6 | 29 5 29 |
|#239 #239 8 | 29 7 5 | 4 1 6 |
|---------------+------------+-------------|
| 29 8 1 | 4 6 7 | 5 29 3 |
| 4 7 5 | 29 3 1 | 8 6 29 |
| 6 29 3 | 8 5 29 | 1 7 4 |
|---------------+------------+-------------|
| 39 1 69 | 7 2 8 | 36 4 5 |
| 7 23 26 | 5 9 4 | 36 8 1 |
| 8 5 4 | 6 1 3 | 29 29 7 |
*------------------------------------------* |
If you remove 9 from r3c1 and 2 from r3c2 (the only numbers, that appear more than 2 times in the 3 units of the cell) you have a BUG (all numbers in the unresolved cells appear exactly 2 times in each unit).
So r3c1=9 or r3c2=2. In both cases r3c1<>2 and r3c2<>9.
[Edit: Hopefully formulated better] |
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