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Puzzle 10/10/18: C XY

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Mon Oct 18, 2010 2:24 am Post subject: Puzzle 10/10/18: C XY

Code:

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

Play this puzzle online at the Daily Sudoku site

peterj

Joined: 26 Mar 2010
Posts: 974
Location: London, UK

Posted: Mon Oct 18, 2010 1:01 pm Post subject:

Two steps...

Quote:

flightless w-wing(28) ; (2=8)r8c6 - r8c7=r2c7 - (8=2)r2c4
with transport - (2)r1c4=r1c3 ; r8c3<>2
kite(8) r8, c8 ; r3c3<>8

tlanglet

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

Posted: Mon Oct 18, 2010 11:06 pm Post subject:

Similar but longer that Peter's moves............

Quote:

w-wing (28)r2c4|r9c6 SL (2)r29c1 plus transport (8)r2v4-r2c7=(8)r3c8; r9c8<>8
flightless w-wing (28)r2c4|r8c6 SL (8)r28c7 plus transport; (2)r2c4-r2c1=(2)r9c1; r9c6<>2
kite (6) box2; r3c3<>6
BUG+1 r3c1=8

Ted

Marty R.

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

Posted: Tue Oct 19, 2010 4:14 am Post subject:

Potential DP 18 in boxes 39; row 1 solution is forced.

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