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Puzzle VH_059

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Wed Jul 15, 2009 4:26 am    Post subject: Puzzle VH_059 Reply with quote
Code:
 +-----------------------+
 | 4 . . | 2 . . | . . . |
 | . . 8 | 3 . . | 5 . 6 |
 | . 3 5 | 9 8 . | 1 4 . |
 |-------+-------+-------|
 | 5 2 9 | . . . | . . . |
 | . . 3 | . 5 . | . 1 . |
 | . . . | . . . | . . 5 |
 |-------+-------+-------|
 | . 4 2 | . . . | 3 . . |
 | . . 6 | . 9 . | . 2 1 |
 | . 7 . | . . 3 | . 5 8 |
 +-----------------------+

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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Wed Jul 15, 2009 3:12 pm    Post subject: Reply with quote
One stepper:
Quote:
ur 68 r7c5=7
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Wed Jul 15, 2009 3:25 pm    Post subject: Reply with quote
One single step solution is the
Quote:
Type 3 UR 68 in r56c24; either r5c4=4 or r6c4=7.

UR68[(7)r6c4 = (4)r5c4] - (4)r9c4 = (4)r9c7 - (4=7)r8c7; r8c4<>7.

Ted
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