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Tough Sudoku for 4/July/2017


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Sudoku Solving Techniques

Submitted by: sudoku lover

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SE 7.1
basics to 40
#1 (6)c3=(6-3)c4=c6-(3=4)f6-f8=(34)be9-(3=5)d9-a9=(15)c18 -> -1c3; UP81.
04/Jul/17 12:59 AM
Doesn't look much like a crocodile to me.
04/Jul/17 1:24 AM
lcls to 40
ALS-XZ rule (36=1)cf3-(1=253)c168 =>-3f6; singles to 81
04/Jul/17 2:35 AM
WHERE? All I see are birds.
04/Jul/17 2:53 AM
Plovers. There are no crocodiles in Wagga Wagga.
04/Jul/17 3:29 AM
#25 89@f15=>f8<>8 #39 25@g789=>hi8<>25=>346@fhi8=>c8<>34 6@ab7=>a9<>6
#40 25@a9c8=>a7b9<>5 9@b12=>b4<>9 3@b79=>b4<>3
#41 More...
04/Jul/17 6:57 AM
Crocodile tears, perhaps?
04/Jul/17 1:21 PM
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