17-clue and 18-clue Sudoku update

Everything about Sudoku that doesn't fit in one of the other sections

Re: 17-clue and 18-clue Sudoku update

Postby FLOCKMAN » Sun Oct 20, 2013 9:48 pm

Thank you for your swift reply

I am looking for the 10 17-puzzles with clue frequencies of 222222221.

Previous older posts said there were only 5. Do you think that there may be any more?
FLOCKMAN
 
Posts: 4
Joined: 12 November 2011
Location: Somerset UK

Re: 17-clue and 18-clue Sudoku update

Postby coloin » Sun Oct 20, 2013 10:31 pm

Code: Select all
........1.......23..4.56......7....8.5...4....1.3.......7........82.....9.....6..
..............1..2..3.....4.......5.....6..7.21...8......3......4....6.98..5.7...
..............1..2.34....5.......36...7....4.8....9......67....2........19......8
..............1..2.34....5........4...6...37.8....9......67....2........19......8
................12..3..4................35..678.....9......64.5.7.......91.8.....
.................1..2..3.4........5.....1.....6..7...8.....6..7..5..8...2.43.9...
........1........2..3..4........1.......25...67.....8.....7.93...5....4..8.6.....
........1........2..3..4........253..6.....4.7...8........6..97...8.....1.5......
..............1.23..4.56.........4.7...8....958..........2.......7...6...3.9.....
........1.....2.....3.....4.......5....67..3..8..4.........8....9..51...6.....29.


I very much doubt there are any more .......
Not easy to confirm perhaps .......
C
coloin
 
Posts: 1629
Joined: 05 May 2005

Re: 17-clue and 18-clue Sudoku update

Postby FLOCKMAN » Sun Oct 20, 2013 10:40 pm

Thank you for your comprehensive reply. I will now work on them to see similarities and differences.
FLOCKMAN
 
Posts: 4
Joined: 12 November 2011
Location: Somerset UK

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