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Tough Sudoku for 1/May/2016

                 
                 
                 
                 
                 
                 
                 
                 
                 

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Submitted by: Gath

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Been on this one many times. Bev.
01/May/16 3:44 AM
1. Unique possibilities to 25.
2. Whether h6=7=b2;OR h7=7=e2=c1,hfdb8=8619;c2=9.UP27.
3. Whether d9=7=c1;OR i=7=h6;c6=3.UP30.
4. Whether d5=9=b6;OR d8=9,d9=1=c1;c5=7.UP48.
5. Whether i6=5,b6=9;OR i7=5=d9,d8=1;d5=9.UP81.
01/May/16 3:59 AM
Step 3 should read:

3. Whether d9=7=c1;OR i9=7=h6;c6=3.UP30.
01/May/16 4:03 AM
Standard techniques UP 25
1. (6)a4=h4-(6=7)i5-i9=(7-1)d9=(1-9)d8=d45-f6=(9)bc6*-(967=8)aci5 =>-89a4
2. Kraken row (9)bdf8 =>-9c6 UP 48
||(9)b8-a7=(9)a45
||(9-1)d8=g8-g7=(1-9)a7=(9)a45
||(9-6)f8=(6-8)h8=(8-7)h7=h6-b6=(7-9)b2=(9)c2
3. (5)g9=d9-f7=(5-8)f1=f8-(8=4)e8-(4=5)e5 =>-5g5 UP 81
01/May/16 7:32 AM
SE=7.8
1)(9):a7=a54-bc6=f6,=>f7<>9
2)(7)i9=(7-1)d9=(1-9)d8=(9-6)f8=(6)f9,=>i9<>6
3)(49=8)f68-(8=4)e8,=>f7<>4.UP=81
01/May/16 5:14 PM
Nice path sotir !

I have just followed the French expression 'Pourquoi faire simple quand on peut faire compliqué' (Why make it simple when you can make it complex...)

Best regards. cenoman
01/May/16 7:57 PM
Hi Cenoman
I hope 'Pourquoi faire simple quand on peut faire compliqué' is applied to your submarines. We don't want them sinking.
Cheers Les
02/May/16 6:33 AM
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