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Tough Sudoku for 18/February/2017

                 
                 
                 
                 
                 
                 
                 
                 
                 

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

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Sudoku Solving Techniques

Submitted by: sudoku lover

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SE=7.1
18/Feb/17 12:07 AM
12:32 Another lovely photo on the pages today.
18/Feb/17 12:38 AM
10:52
18/Feb/17 1:35 AM
lcls to 48
(1=3)a3-h3=h5-(1=4)g6-(423=7)bhi5-b7=(7-2)a7=(2)a8 =>-1a8; stte
18/Feb/17 1:37 AM
Long Time no See...
Nice chain from g6 to a3....
18/Feb/17 1:42 AM
...shorter (too much hurry)
lcls to 48
1. (2)i7=a7-(2=1)a8-(1=3)a3-ab1=(3)i1 =>-3i7; stte
18/Feb/17 1:43 AM
Like cenoman's:
1. Note c14/f4=18.Unique possibilities to 48.
2. Whether a3=1,a8=2=i7;OR a3=3=i1;g7=3.UP81.
18/Feb/17 5:11 AM
#25 69@gi4=>hdc4<>69 #32 2@df1=>c1<>2
#49 3?@h5=>b5=7=>b7=9=>g7=3=>i7=2=>ghi456<>2=>h5<>3
VHBC to #81
V:Only cell left in Vertical column for this candidate
H:Only cell left in Horizontal row for this More...
18/Feb/17 5:58 AM
Lovely scene! Kate.
18/Feb/17 6:23 AM
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