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Tough Sudoku for 22/November/2017

                 
                 
                 
                 
                 
                 
                 
                 
                 

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

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Check out the latest post in the Sudoku Forum

Sudoku Solving Techniques

Submitted by: sudoku lover

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Basics to UP = 26
1. HP(26)df6 = (6)c6 - (6=94)cb9 - (4)h9 = (4)h6 => -4df6 ; UP = 27
2. (3=18)hb8 - (8=3)a7 => -3a8|gi7 ; UP = 81
22/Nov/17 1:19 AM
Ahhhh lilacs. I can almost smell them. Kate for the memory of last Spring.
22/Nov/17 5:10 AM
I love lilacs but Sydney is too humid to grow them successfully.
22/Nov/17 5:59 AM
#27 26@g19=>g9<>5 2@gh9=>h8<>2
3?@g7=>{58@g46=>h6=4=>h8=1,a8=3=>i8=6=>g9=2}=>{48@a 7b8,h9=5}=>a….i9<>4=>g7<>3
VHBC to #81
V:Only cell left in Vertical column for this candidate
H:Only cell left in More...
22/Nov/17 6:28 AM
Absolutely beautiful lilac flowers
Kate lovely photo!!
22/Nov/17 7:20 AM
Another way, basically Les' idea:
1. (5=4)h6 - h9 = ab9 - (4)[a7, b8] = [XY wing: (3=1)h8 - (1=8)b8 - (8=3)a7] - (3=5)g7 => -5g46 ; UP = 81
22/Nov/17 8:31 AM
1:07:36
23/Nov/17 1:19 PM
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