... by: Dieter
Thank you, YvesSure it's C4=4
Sorry ! Typo ....
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#658, August 9 - August 15, 2025:
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WARNING: This is the Weekly 'Unsolvable' Sudoku, rated above 'Extreme'. This is currently unsolvable by my solver, except perhaps with trial and error strategies. Using the solver will not help you. (much). |
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Each week a new 'unsolvable' will be published and the previous will be accessible here from this archive section. If you like very tough puzzles, these are for you.Share and Enjoy
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Discussion...
Post an idea here...Saturday 9-Aug-2025
Sure it's C4=4
Sorry ! Typo ....
Saturday 9-Aug-2025
... by: Yves
C4=4 Solve ... Dieter ??Saturday 9-Aug-2025
... by: Dieter
#658 - Review:basics: G1=7
As G1 populates with basics,
C4=3 solves
Saturday 9-Aug-2025
... by: Dieter
#658 - initially populated cells: 23 = 28,4%No solver used.
basics: %
Strategy: Numbers 3,1,6,7,8 occur most frequently, combine two cells.
combinations of G1 = (1,4,7) and J3 = (3,4,5,6,8)
1 matrix remains after basic checks: G1=7
G1=7 and C4=3 solve.
Saturday 9-Aug-2025
... by: Serban
# 658 G1=7 Basics to 241. Number 3 F5=3 solve
2. Number 4 H6=4 solve
3. Number 8 J3=8 solve
4. Number 9 D8=9 solve