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Tough Sudoku for 1/April/2015


Choose a number, and place it in the grid above.

  1 2 3 4 5 6 7 8 9
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Sudoku Solving Techniques

Submitted by: sudoku lover

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01/Apr/15 12:01 AM
I've been there a couple of times but many years ago when my sister-in-law lived close by.
01/Apr/15 12:15 AM
SE=7.2 UP to 25
1)XY-chain:(2=8)h3=(5=2)h5=(4=5)b5=(8=4)b1 => ab3<>8
2)M-Ring:(3=5)b3-ef3=(3-5)e2=(5)ef3 => a3<>35,e2<>189 UP=81
01/Apr/15 12:36 AM
Wow! Amazing formation! Lovely colors, too!
01/Apr/15 1:02 AM
This puzzle cracked with one lucky guess for the first decision, from then on all single candidates! Boring, really, just filling in the numbers as they revealed themselves with no help needed from me. Oh, I see Bud started in the same place.
01/Apr/15 1:38 AM
Neat formation!
01/Apr/15 4:08 AM
WOW! Lovely sculpture by Mother Nature. The colours are amazing too.
01/Apr/15 5:04 AM
#26 24@ghi3=>ab3<>24
VHBC to #81
V:Only cell left in Vertical column for this candidate
H:Only cell left in Horizontal row for this candidate
B:Only cell left in 3X3 More...
01/Apr/15 6:55 AM
Like Les's:
1. Unique possibilities to 25.
2. Whether b1=4,b5=5;OR b1=8,ac1=24,c2=1,a23=9,a5=45;h5=2.UP81.
01/Apr/15 7:24 AM
Sarah, you and I seem to be on the same wavelength today with both the Hard and Tough.
01/Apr/15 10:13 PM
Beautiful!! I've never been there but camped by a similar shaped (but not quite so large) rock just south of the Gawler Ranges taking a 'short cut' up from Eyre Peninsular enroute back to NT early 2013. One day WA, i look forward to visiting you again. πŸ˜„πŸŒ…πŸŒ…β›ΊοΈ
02/Apr/15 10:57 AM
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