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Puzzle 09/12/27 (E)

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Sun Dec 27, 2009 9:31 am Post subject: Puzzle 09/12/27 (E)

I'm going to be away for a few days.

Code:

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

Play this puzzle online at the Daily Sudoku site

tlanglet

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

Posted: Wed Dec 30, 2009 10:25 pm Post subject:

A fun puzzle taking fie steps for me to complete.

Quote:

finned x-wing on 1 r37c28,
an AIC formed by extending the vertex of a potential sy-wing 12-3 with vertex 12 in r9c1 plus a transport,
type 3 UR 59 forms an AIC: (9=2)r8c7 - UR59[(2)r7c7 = (3)r5c7]r57c79 - (3=4)r6c7 - (4=5)r6c1 - (5=2)r8c1 - (2=1)r9c1 - (1=9)r9c3; r8c3<>9,
x-wing 9 r57c29,
BUG+1 sets r8c5=2

Ted

Marty R.

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

Posted: Thu Dec 31, 2009 12:11 am Post subject:

I used three ERs (1,1,1) and got impatient, so I finished it with the abomination (sorry Keith ) known as a Finned XY-Wing on 359.

daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Sun Jan 03, 2010 6:32 pm Post subject:

Code:

--- take your pick for eliminations on <1> ---

2-Fish r39\c28 S 2 200\020 <> 1 r7c2
2-Fish r24\c17 f 200\020 <> 1 r6c1
2-Fish r37\c28 f 200\020 <> 1 r9c8
2-Fish c2b3\r37 fF2 011\200 <> 1 r7c7
2-Fish r3b7\c28 fF3 101\020 <> 1 r9c8
2-Fish c2b9\r37 fF4 011\200 <> 1 r3c8
2-Fish r2b6\c17 fF4 101\020 <> 1 r6c1
2-Fish r3b9\c28 fF4 101\020 <> 1 r7c2
2-Fish r2c2\c7b1 fm 110\011 <> 1 r7c7
2-Fish r2c2\r7b1 fm 110\101 <> 1 r7c7
2-Fish r9c2\c8b7 gm 110\011 <> 1 r3c8
2-Fish r9c2\r3b7 gm 110\101 <> 1 r3c8

c29 X-Wing <> 9 r5c7,r7c57

XYZ-Wing r7c7/r5c7+r9c8 <> 3 r8c7
XYZ-Wing r8c3/r6c3+r7c2 <> 3 r9c3
XYZ-Wing r9c3/r4c3+r7c2 <> 9 r8c3 extraneous

2-Fish c27\r57 f 020\200 <> 3 r5c9

{ 35} -9r7c2 3r7c2 3r8c5 9r8c7 [gM-Wing ] <> 9 r7c9
{ 35} -9r7c2 3r7c2 3r8c5 9r9c5 [gM-Wing ] <> 9 r9c3
+--------------------------------------------------------------+
| 9 6 4 | 2 8 1 | 7 35 35 |
| 3 5 7 | 6 4 9 | 1 8 2 |
| 8 1 2 | 3 5 7 | 6 9 4 |
|--------------------+--------------------+--------------------|
| 14 2 19 | 5 7 3 | 49 6 8 |
| 6 39 8 | 4 1 2 | 35 7 59 |
| 45 7 35 | 9 6 8 | 234 123 13 |
|--------------------+--------------------+--------------------|
| 7 39 6 | 8 23 4 | 235 1235 1359 |
| 25 8 35 | 1 239 6 | 29 4 7 |
| 12 4 19 | 7 239 5 | 8 23 6 |
+--------------------------------------------------------------+
# 35 eliminations remain

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