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Tough Sudoku for 11/August/2016


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Sudoku Solving Techniques

Submitted by: sudoku lover

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11/Aug/16 1:07 AM
ALS-XY Wing[1hg5==9ca5-(9=8)a4-8ac6==1d6]-1d5.i6; UP35
Swordfish{1bgh357} -> -{1bgh129}; UP37
ALS-XZ Rule[7h9==5g8-5g1==7g3]-7h3; UP81
11/Aug/16 3:48 AM

As above:
2)(1):a9=a2-b3=gh3-i12=i9,=> ;b921,g21,h19<>1
11/Aug/16 5:13 AM
#28 267@f123=>e1<>2 #34 3@ac6=>a4<>3
1?@d5=>f5=5=>f7=9=>e4=9=>a4=8=>a6=3=>c6=6=>de6=7 =>d5<>1
#36 1?@a2=>e1=1=>i9=1=>b7=1=>b3=9=>b1=8=>h1=9=>f7=9=>e9=6=>b9=3=>b2={}=> ;a2<>1
#37 More...
11/Aug/16 8:50 AM
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