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Puzzle NR 09/11/10 (A)

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Tue Nov 10, 2009 6:01 pm Post subject: Puzzle NR 09/11/10 (A)

Hopefully, more reasonable.

Code:

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

Play this puzzle online at the Daily Sudoku site

storm_norm

Joined: 18 Oct 2007
Posts: 1741

Posted: Tue Nov 10, 2009 9:37 pm Post subject:

Code:

.------------------------.------------------------.------------------------.
| 5 1478 6 | 17 38 149 | 13479 479 2 |
| 147 3 147 | 5 1479 2 | 1479 6 8 |
| 9 78 2 | 6 38 14 | 37 5 14 |
:------------------------+------------------------+------------------------:
| 47 2 5 | 3 6 8 | 47 1 9 |
| 134678 1467 1478 | 9 145 145 | 2 478 36 |
| 13468 1469 1489 | 2 14 7 | 5 48 36 |
:------------------------+------------------------+------------------------:
| 1478 1479 14789 | 17 2 3 | 6 49 5 |
| 467 4679 3 | 8 579 59 | 149 2 14 |
| 2 5 19 | 4 19 6 | 8 3 7 |
'------------------------'------------------------'------------------------'

(7)r1c4 = (7)r5c5 - (7)r2c13 = (7)r13c2 - (7)r8c2 = (7)r8c5; r7c4 <> 7

arkietech

Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA

Posted: Tue Nov 10, 2009 10:06 pm Post subject:

storm_norm wrote:

(7)r1c4 = (7)r5c5 - (7)r2c13 = (7)r13c2 - (7)r8c2 = (7)r8c5; r7c4 <> 7

Beautiful! Very Happy

(7)r1c4 = (7)r2c5 - (7)r2c13 = (7)r13c2 - (7)r8c2 = (7)r8c5; r7c4 <> 7

I totally missed this Thank you.

daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Tue Nov 10, 2009 10:21 pm Post subject:

arkietech wrote:

storm_norm wrote:

(7)r1c4 = (7)r5c5 - (7)r2c13 = (7)r13c2 - (7)r8c2 = (7)r8c5; r7c4 <> 7

Beautiful! Very Happy

(7)r1c4 = (7)r2c5 - (7)r2c13 = (7)r13c2 - (7)r8c2 = (7)r8c5; r7c4 <> 7

I totally missed this Thank you.

Maybe you missed it because it is wrong. There's a <7> in r8c1 as well !

storm_norm

Joined: 18 Oct 2007
Posts: 1741

Posted: Tue Nov 10, 2009 11:04 pm Post subject:

daj95376 wrote:

arkietech wrote:

storm_norm wrote:

(7)r1c4 = (7)r5c5 - (7)r2c13 = (7)r13c2 - (7)r8c2 = (7)r8c5; r7c4 <> 7

Beautiful! Very Happy

(7)r1c4 = (7)r2c5 - (7)r2c13 = (7)r13c2 - (7)r8c2 = (7)r8c5; r7c4 <> 7

I totally missed this Thank you.

Maybe you missed it because it is wrong. There's a <7> in r8c1 as well !

sorry, I missed a step.

Code:

.------------------------.------------------------.------------------------.
| 5 1478 6 | 17 38 149 | 13479 479 2 |
| 147 3 147 | 5 1479 2 | 1479 6 8 |
| 9 78 2 | 6 38 14 | 37 5 14 |
:------------------------+------------------------+------------------------:
| 47 2 5 | 3 6 8 | 47 1 9 |
|U134678 1467 1478 | 9 145 145 | 2 478 U36 |
|U13468 1469 1489 | 2 14 7 | 5 48 U36 |
:------------------------+------------------------+------------------------:
| 1478 1479 14789 | 17 2 3 | 6 49 5 |
|4[6]7 4679 3 | 8 579 59 | 149 2 14 |
| 2 5 19 | 4 19 6 | 8 3 7 |
'------------------------'------------------------'------------------------'

the 6 in r8c1 has to be placed there to avoid the UR36 r56c19

now...

Code:

+--------------------+---------------+----------------+
| 5 1478 6 | 17 38 149 | 13479 479 2 |
| 147 3 147 | 5 1479 2 | 1479 6 8 |
| 9 78 2 | 6 38 14 | 37 5 14 |
+--------------------+---------------+----------------+
| 47 2 5 | 3 6 8 | 47 1 9 |
| 13478 1467 1478 | 9 145 145 | 2 478 36 |
| 1348 1469 1489 | 2 14 7 | 5 48 36 |
+--------------------+---------------+----------------+
| 1478 1479 14789 | 17 2 3 | 6 49 5 |
| 6 479 3 | 8 579 59 | 149 2 14 |
| 2 5 19 | 4 19 6 | 8 3 7 |
+--------------------+---------------+----------------+

it works

(7)r1c4 = (7)r2c5 - (7)r2c13 = (7)r13c2 - (7)r8c2 = (7)r8c5; r7c4 <> 7

arkietech

Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA

Posted: Tue Nov 10, 2009 11:07 pm Post subject:

daj95376 wrote:

Maybe you missed it because it is wrong. There's a <7> in r8c1 as well !

How easy it is to BooBoo Embarassed

Marty R.

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

Posted: Wed Nov 11, 2009 12:07 am Post subject:

I used the Type 4 UR on 36, then an ER on 7 broke it wide open.

tlanglet

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

Posted: Thu Nov 12, 2009 4:19 am Post subject:

I had a fun but loooooong path; I would put it in the BBDB class. UR36 r56c19 skyscraper 7 kite 7 kite 9 xy-wing 1-47 xy-wing 17-9 xy-wing-179 It appears that I simply did not find the magic button. Ted

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