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Tough Sudoku for 20/May/2017


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Submitted by: Gath

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UR(39)af23=8f2; stte
[9g7=9d7-(9=8)d5-8d9=HT(278)egh9]-(27)g7; stte
20/May/17 12:41 AM
SE 4.5 with UR
#1 SSTS to UP32.
#2 UR (8)f2=(39)af23; UP81

SE 7.2 without UR
#2 (8)f2=ef1-(8=4)a1-(4=27)a78-(7=16)ci7-(16=9)d7-(9=8)d5-(8=6)d9-(6=19)d78-(9=27)ef8-(27=4)a8-(4=8)a1 -> -8ef1; UP81.
20/May/17 1:12 AM
better non-UR
(4=27)a78-(7=16)ci7-(16=9)d7-(9=8)d5-(8=6)d9-(6=19)d78-(9=27)ef8 -> -27a8; UP81
20/May/17 2:05 AM
20/May/17 8:31 AM
#26 39@a23=>[a8<>3 & a23<>2=>2@c23=>c67<>2 35@d26=>d2<>1] 8@def5=>f4<>8
#33 2?@g7=>e9=2=>d9=8=>d5=9=>a...i7<>9=>g7<>2 #34 6@hi2=>d2<>6=>6@d789=>e8<>6 More...
20/May/17 9:21 AM
Wow, one lucky guess solved the entire puzzle with UPs.
21/May/17 11:18 AM
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