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Tough Sudoku for 16/May/2019

                 
                 
                 
                 
                 
                 
                 
                 
                 

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Submitted by: Gath

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''What big teeth you have, Grandma!''
16/May/19 12:17 AM
10:59.
16/May/19 12:33 AM
Basics to 27
1.if b6=5 => e5=h4=i2=5 a2=2 f2=1 e2=8 e6=4 f6=0
=>b6=8 basics to 41
2. X-chain x=5 =>[a2,b3,c3]<>5 => a2=2 c3=4 solve
16/May/19 1:53 AM
How about CUTE!
16/May/19 3:31 AM
Basics to 27
1. (7)e8=(73-3)fh7=(3)d7 =>-3e8; basics to 28
2. Skyscraper (7)e8=a8-a4=f4 =>-7e5.f7; basics to 31
3. Loop (8)i2=e2-(8=5)e5-i5=(5)i2@ =>-19i2, -8e6, -5ach5; singles to 81
16/May/19 7:14 AM
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