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Puzzle 10/10/07: C XY

 
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daj95376



Joined: 23 Aug 2008
Posts: 3855

PostPosted: Thu Oct 07, 2010 2:21 am    Post subject: Puzzle 10/10/07: C XY Reply with quote

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

Play this puzzle online at the Daily Sudoku site
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JC Van Hay



Joined: 13 Jun 2010
Posts: 368
Location: Charleroi, Belgium

PostPosted: Thu Oct 07, 2010 10:10 am    Post subject: Reply with quote

Quote:
L3 : 3R4 6B4 2R5 : r4c6<>2
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tlanglet



Joined: 17 Oct 2007
Posts: 2461
Location: Northern California Foothills

PostPosted: Thu Oct 07, 2010 2:00 pm    Post subject: Reply with quote

Quote:
BUG-Lite+3 (27)r246c138 Internal 4SIS; r46c8<>7, r6c9=7
(3)r6c1-(3=6)r6c4-(6=7)r6c9;
||
(6)r6c1-(6=7)r6c9;
||
(6)r46c8-(6=7)r6c9;

Ted
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daj95376



Joined: 23 Aug 2008
Posts: 3855

PostPosted: Thu Oct 07, 2010 3:32 pm    Post subject: Reply with quote

JC Van Hay wrote:
L3 : 3R4 6B4 2R5 : r4c6<>2

I can't get it to work.
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JC Van Hay



Joined: 13 Jun 2010
Posts: 368
Location: Charleroi, Belgium

PostPosted: Thu Oct 07, 2010 4:57 pm    Post subject: Reply with quote

daj95376 wrote:
JC Van Hay wrote:
L3 : 3R4 6B4 2R5 : r4c6<>2

I can't get it to work.
Oops, I dropped 1 step to much, ... I still need r6c1<>6 ! The complete proof is therefore :
    X Wing (6)C49 : r69c128<>6
    L3 : 3R4 6B4 2R5 : r4c6<>2
JC
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peterj



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

PostPosted: Thu Oct 07, 2010 5:26 pm    Post subject: Reply with quote

Bunch of wings in that central band... here's one
Quote:
m-wing(36) ; (6=3)r6c4 - r6c1=(3-6)r4c2=r4c8 ; r6c89<>6
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