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Tough Sudoku for 17/October/2017

                 
                 
                 
                 
                 
                 
                 
                 
                 

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Submitted by: Gath

Indicate which comments you would like to be able to see

Basics to 50
1. UR(23)de35 using internals:
(8)e5==(5)d3-d9=(5-6)b9=(6-3)b6=(3)a5 =>-8a5; singles to 81
17/Oct/17 1:59 AM
Beautiful flower!
17/Oct/17 2:48 AM
#26 78@ef7=>f8<>8 235@def3=>b3<>2
#48 123@g7i89=>g9h7<>123
#51 8?@a5=>b6=3=>b7=1=>a9={}=>a5<>8
VHBC to #81
V:Only cell left in Vertical column for this candidate
H:Only cell left in Horizontal row More...
17/Oct/17 6:43 AM
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