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Puzzle NR 09/12/13 (A)

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Sun Dec 13, 2009 5:24 pm Post subject: Puzzle NR 09/12/13 (A)

Code:

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

Play this puzzle online at the Daily Sudoku site

tlanglet

Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills

Posted: Mon Dec 14, 2009 1:32 pm Post subject:

Another "easier" NR puzzle.

Quote:

xy-wing 37-9 with vertex in r7c1 plus transport,
type1 UR 46 in r56c48.

Ted

Marty R.

Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

Posted: Tue Dec 15, 2009 12:16 am Post subject:

I didn't see a pincer transport and I played three ERs between the XY-Wing and UR.

tlanglet

Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills

Posted: Tue Dec 15, 2009 12:45 am Post subject:

Marty R. wrote:

I didn't see a pincer transport and I played three ERs between the XY-Wing and UR.

Marty,

Code:

*-----------------------------------------------------------*
| 5 4 67 | 2 37 367 | 8 9 1 |
| 2 8 79 | 179 4 179 | 5 3 6 |
| 39 369 1 | 69 5 8 | 2 7 4 |
|-------------------+-------------------+-------------------|
| 4 567-9 569 | 367 379 367 | 1 8 2 |
|P79 1 3 | 467 8 2 | 479 456 5-9 |
| 8 67-9 2 | 1467 179 5 | 479 46 3 |
|-------------------+-------------------+-------------------|
|V37 2 49 | 8 137 137 | 6 45 T59 |
| 6 357 45 | 379 2 379 | 34 1 8 |
| 1 P39 8 | 5 6 4 T39 2 7 |
*-----------------------------------------------------------*

The xy-wing 37-9 vertex is in r7c1 marked V, and the two pincers are in r5c1 and r9c2 marked P; this deletes 9 in r46c2.

The transport is: (9)r9c2 - (9)r9c7 = (9)r7c9; r5c9<>9.

Ted

Marty R.

Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

Posted: Tue Dec 15, 2009 12:49 am Post subject:

Thanks. I think I had the same grid, so I just blew it.

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