... by: Dieter
#610 - basics: %Complete row C and ABC456: C5 = (2,6,8,9)
Failed with basic checks: C5 = 6,8,9
C5 = 2 solves with A2=4 & B2=1
I do not use a solver, only a self-built EXCEL Macro which shows the options for each cell.
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#610, September 7 - September 13, 2024:
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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...Sunday 8-Sep-2024
Complete row C and ABC456: C5 = (2,6,8,9)
Failed with basic checks: C5 = 6,8,9
C5 = 2 solves with A2=4 & B2=1
I do not use a solver, only a self-built EXCEL Macro which shows the options for each cell.
Sunday 8-Sep-2024
... by: Frans
#610Combination 2-digits cells
C3=6 ( G8=7 ) Solved,
Total solving time is : 7 sec.
Number of logical steps is : 727
Sunday 8-Sep-2024
... by: Serban
# 610 Basics to 24
1. Box 9 GHJ789 n=2 e=7 Nc=14 Ns=8 => J8=1 & H9=5 solve
2. Number 1 n=2 e=7 N=32 Nc=100 Ns=56 => J8=E7=1 OR A9=E7=1 OR A9=J8=1 solve
3. Number 9 n=2 e=7 N=31 Nc=36 Ns=6 => J3=9 OR F2=C1=9 solve
Saturday 7-Sep-2024
... by: Potato
Easy peasy lemon squeasy. D4,5,6 = 7,3,5 E 4,5,6= 6,8,9 F 4,5,6= 4, 1,2Saturday 7-Sep-2024
... by: Serban
# 610 Basics to 241 . J3=9 solve