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Pat
Joined: 23 Feb 2010
Posts: 207
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 Posted: Wed May 30, 2012 2:43 pm Post subject: m_b_metcalf # 176 # 72 |
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..1...2...3...4.5.4.....6.7.....8.9.....6.....9.3.7...6.7.....2.5.2...8...2...1..
[ play ] | Code: |
. . 1 | . . . | 2 . .
. 3 . | . . 4 | . 5 .
4 . . | . . . | 6 . 7
-------+-------+------
. . . | . . 8 | . 9 .
. . . | . 6 . | . . .
. 9 . | 3 . 7 | . . .
-------+-------+------
6 . 7 | . . . | . . 2
. 5 . | 2 . . | . 8 .
. . 2 | . . . | 1 . .
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2 paths,
which would you prefer ? |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Thu May 31, 2012 4:41 am Post subject: |
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Multi-coloring on 2. Skyscraper in c28. Transport 2 from r3c2 to r2c5; r6c5<>2.
Transport 2 from r2c5 to r5c6; r5c8<>2.
| Code: |
+---------------+------------------+----------------+
| 59 78 1 | 56789 5789 569 | 2 4 3 |
| 27 3 6 | 17 127 4 | 89 5 89 |
| 4 28 59 | 589 23589 2359 | 6 1 7 |
+---------------+------------------+----------------+
| 12357 6 345 | 145 1245 8 | 3457 9 145 |
| 12357 27 3458 | 1459 6 1259 | 34578 27 1458 |
| 125 9 458 | 3 1245 7 | 458 26 14568 |
+---------------+------------------+----------------+
| 6 1 7 | 48 48 59 | 59 3 2 |
| 39 5 39 | 2 17 16 | 47 8 46 |
| 8 4 2 | 5679 3579 3569 | 1 67 59 |
+---------------+------------------+----------------+
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Play this puzzle online at the Daily Sudoku site |
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Pat
Joined: 23 Feb 2010
Posts: 207
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| Posted: Thu May 31, 2012 10:09 am Post subject: |
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| only needs "basic" moves |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Thu May 31, 2012 3:30 pm Post subject: |
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| Pat wrote: | | only needs "basic" moves |
I've been screwing up basics on 75% of the puzzles lately. |
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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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| Posted: Fri Jun 01, 2012 3:14 pm Post subject: |
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| Marty R. wrote: | Multi-coloring on 2. Skyscraper in c28. Transport 2 from r3c2 to r2c5; r6c5<>2.
Transport 2 from r2c5 to r5c6; r5c8<>2.
| Code: |
+---------------+------------------+----------------+
| 59 78 1 | 56789 5789 569 | 2 4 3 |
| 27 3 6 | 17 127 4 | 89 5 89 |
| 4 28 59 | 589 23589 2359 | 6 1 7 |
+---------------+------------------+----------------+
| 12357 6 345 | 145 1245 8 | 3457 9 145 |
| 12357 27 3458 | 1459 6 1259 | 34578 27 1458 |
| 125 9 458 | 3 1245 7 | 458 26 14568 |
+---------------+------------------+----------------+
| 6 1 7 | 48 48 59 | 59 3 2 |
| 39 5 39 | 2 17 16 | 47 8 46 |
| 8 4 2 | 5679 3579 3569 | 1 67 59 |
+---------------+------------------+----------------+
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Play this puzzle online at the Daily Sudoku site |
Marty,
The pair 27 in R5 places 2 in C6.
Keith |
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Pat
Joined: 23 Feb 2010
Posts: 207
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| Posted: Sun Jun 03, 2012 9:27 am Post subject: |
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| keith wrote: | | The pair 27 in R5 places 2 in C6 |
yes, that's the final move (the 5th move) when using only "basic" movesc8 "naked" duo ={3,4}
r2 "naked" duo ={8,9}
b1 "hidden" duo {5,9}
(8) b1\c2
r5 "naked" duo ={2,7}
the other challenge was,
to find the somewhat-shorter path
with the X-wing |
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