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Tough Sudoku for 7/August/2015

                 
                 
                 
                 
                 
                 
                 
                 
                 

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Sudoku Solving Techniques

Submitted by: sudoku lover

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Is that actually a customs house, or simply an info centre?
07/Aug/15 1:12 AM
Lovely blue sky in this one, Wendy.
07/Aug/15 5:04 AM
1. Note e23=12;a35=24.Unique possibilities to 29.
2. Whether f5=7,a45=69,ga5=24;OR f1=7,d21=54;e4=4.UP49.
3. Whether e1=7=d9,b9=2;OR e1=9=f5=a4,g4=6=h1;h7=2.UP52.
4. Whether g7=8,i79=7;OR g7=7=b2,c2=9=e6;f5=7.UP81.
07/Aug/15 5:29 AM
Standard techniques UP 29
1.(4)d1=(4-9)e1=f1-(9=7)f5-de6=gh6-(679=2)g5.i54-(2=4)a5 =>-4d5 UP 49
Chaine 7i5-7d9
// Kite (7)i5=f5-d6=d9 =>-7i9
2. (2=7)b9-d9=d6-(7=1)g6-h6=(1)h9 =>-2h9 UP 81
07/Aug/15 6:24 AM
Good photo Wendy.
07/Aug/15 7:25 AM
Not customs , but possibly quarantine . WA very strict and fruit, veg and plant material crossing state lines
07/Aug/15 8:32 PM
About, not and
07/Aug/15 8:33 PM
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