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Tough Sudoku for 12/February/2011

                 
                 
                 
                 
                 
                 
                 
                 
                 

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Sudoku Solving Techniques

Submitted by: sudoku lover

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Shine on, shine on...
12/Feb/11 12:07 AM
Looks like there are a lot of modern day carriages on Carriage Lane!
12/Feb/11 12:19 AM

SE=8.4
12/Feb/11 12:37 AM
Watching over their harvest on telly
12/Feb/11 1:23 AM
#0 SSTS ; UP26
#1 (127=4)g134 - (4=8)f4 - (8=2)f1* - f5=(2-6)d5=d1 - i1=i3 => i13<>2 ; UP81
12/Feb/11 1:38 AM
how so (127=4) in g134 peterj? I have:
g1=1279, g3=12359, g4 =147 @UP26
even if chain correct, why -2i1
12/Feb/11 2:18 AM
a kraken ko is UP26
column(2)i137 > -359g5
(2)i7-(2=359)g278
||
[(4=8)f4-(8=2)f1-i1*=(2*-6)i3=e3-d1=(6-2)d5=f5-(345')f359=(4)f4]
|
(4)g4=g5
12/Feb/11 2:26 AM
Kobold, I have a NQ(3589) in b9?
I tried to write a pausing chain, either the 2s in NT(127) are locked in b9 or f1=2, pause -2i1, which also forces a 6 in i3. -2i3.
I probably messed up...
12/Feb/11 2:56 AM
don't understand - but your chain works after:
1.{(1)g3=(167'-2)i3gi1=g3} > -359g3, -358i3, -9g1, -8i1
2.(6)i3=e3-d1=(6-2)d5=f5-(2=8)f1-(8=4)f4-(4=127)g134 > -2i13, -8d1, -4d4, UP81
12/Feb/11 3:07 AM
pardon - nq(3589)ghi2h3, missed that.
12/Feb/11 3:19 AM
peterj: I see no problems with your chain.
12/Feb/11 7:40 AM

peterj: IMO your chain is correct:

(127)g1,(12)g3),(147)g4,so (2)f1=>i1<>2,(6)i3=>i3<>2,=>i7=2.UP=81
12/Feb/11 7:44 AM
22:05, not overly difficult this morning.
12/Feb/11 9:00 AM
An English version:
1. Note quad 3589 at ghi2/h3.Unique possibilities to 26.
2. Whether g5=4,g2=9,g78=35;OR g4=4,f4=8,f1=2=d5,d1=6=i3;i7=2.UP81.
12/Feb/11 10:52 PM
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