The New Sudoku Players' Forum

[P.O.]

But by keeping the clue distribution to 011xxxxxx, and the solitary clues in box one, we can get this... and more

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1.........2........46...798...7...45....6.8.7.....496.....8957...95.76.4..764..89 ED=10.5/10.5/2.6

taking your puzzle as seed i found these:

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7.........8........35...124...3...16....4.5.3.....124.....5263...26.34.1..641..52
7.........8........65...124...3...16....4.5.3.....124.....5236...26.34.1..341..52
7.........8........31...425...3...16....4.5.3.....124.....5263...26.31.4..641..52
7.........8........61...425...3...16....4.5.3.....124.....5236...26.31.4..341..52
7.........8........41...563...2...46....4.1.5.....132.....5263...26.34.1..341..52
7.........8........35...462...1...36....3.5.4.....421.....4162...16.23.5..235..41
7.........8........26...143...4...62....2.3.5.....541.....5163...13.62.4..324..51

7.........8........96...132...3...65....5.2.4.....431.....4162...12.65.3..253..41
8.........7........31...562...4...36....3.1.5.....124.....5462...76.23.1..231..54


[coloin]

taking your puzzle as seed i found these:
.....

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7.........8........35...462...1...36....3.5.4.....421.....4162...16.23.5..235..41 ED=11.1/11.1/2.6


very good effort .... surely there will be advances on this....

[m_b_metcalf]

More on the way, starting with:

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 1 . . . . . . . .
 . 2 . . . . . . .
 . 3 4 . . . 5 6 7
 . . . 7 . . . 3 6
 . . . . 8 . 7 . 5
 . . . . . 3 4 8 .
 . . . . 5 4 6 7 .
 . . 6 8 . 7 3 . 4
 . . 7 6 3 . . 5 8   ED=11.2/11.2/2.6

 1 . . . . . . . .
 . 2 . . . . . . .
 . 3 4 . . . 5 6 7
 . . . 7 . . . 3 6
 . . . . 8 . 7 . 5
 . . . . . 6 4 8 .
 . . . . 6 4 3 5 .
 . . 5 3 . 7 6 . 8
 . . 3 8 5 . . 7 4   ED=11.3/11.3/2.6

Mike

[m_b_metcalf]

delete

[1to9only]

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4.........2........73...859...9...35....6.9.7.....368.....3857...75.93.6..567..98 ED=11.8/11.8/2.6


[m_b_metcalf]

This popped up, too:

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 1 . . . . . . . .
 . 2 . . . . . . .
 . 3 4 . . . 5 6 7
 . . . 4 . . . 5 8
 . . . . 7 . 4 . 6
 . . . . . 8 3 7 .
 . . . . 6 4 7 8 .
 . . 8 7 . 3 6 . 5
 . . 7 5 8 . . 4 3   ED=11.8/11.2/ 2.6

[coloin]

dare I say ... keep going

[m_b_metcalf]

dare I say ... keep going

You're a hard taskmaster. Here are some other finds along the way:

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1.........2........34...567...5...74....8.6.5.....783.....6845...84.37.6..675..83   ED=11.4/11.2/2.6
1.........2........34...567...5...46....8.3.5.....487.....4763...36.57.8..683..54   ED=11.5/11.5/2.6
1.........2........34...567...5...74....8.6.5.....483.....4378...38.54.6..876..53   ED=11.6/11.2/2.6
1.........2........34...567...5...74....8.6.5.....738.....7384...38.57.6..846..53   ED=11.8/11.8/2.6


These 11.x/11.x/2.6 ratings are all rarity 0.

Mike

[coloin]

yes those are all good... the reward will be inherent
i was hoping that an exaustive search could be done, with 2 clues in box 1 and only six other clues in Box2-box9.
All the ED > 11.1 seem to have this...
There are several other patterns with different orientations of box 1 and box 5 ... but my search of those strangely didnt give many over 11.1 ...

[m_b_metcalf]

i was hoping that an exaustive search could be done

Exhaustive? I have hundreds of 10+ pearls waiting for SE to rate them! I could generate thousands more. M

[m_b_metcalf]

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 1 . . . . . . . .
 . 2 . . . . . . .
 . 3 4 . . . 5 6 7
 . . . 5 . . . 8 3
 . . . . 8 . 4 . 6
 . . . . . 4 7 5 .
 . . . . 4 7 8 3 .
 . . 8 3 . 5 6 . 4
 . . 3 8 6 . . 7 5   ED=11.9/11.9/2.6

Bingo!

[coloin]

Well done, there is another quite closely related....

[m_b_metcalf]

Well done, there is another quite closely related....

Another what? Pattern, puzzle? I looked at the symmetric pattern obtained by moving one clue, and found this staight off:

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 1 . . . . . . . .
 . 2 3 . . . . . .
 . 4 5 . . . . 6 7
 . . . 8 . . . 3 5
 . . . . 4 . 8 . 6
 . . . . . 3 4 7 .
 . . . . 3 8 7 5 .
 . . 8 4 . 7 6 . 3
 . . 7 5 6 . . 4 8   ED=10.6/10.6/9.1

,
but I'm away for a while.

Mike

[coloin]

Here are the 2 11.9s [including yours] originally from here

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1.........2........59...647...8...65....7.8.4.....697.....8975...85.74.6..564..89 # 95271 FNBP C30/M2.21.624##11.9/11.9/2.6
1.........2........59...647...8...65....9.8.4.....679.....8957...85.74.6..564..89 # 95118 FNBP C30/M2.20.656##11.9/11.9/2.6


the symmetrical pattern - these were the best

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1.........26.......47....58...8...35....4.8.6.....347.....3756...54.87.3..356..84  ED=11.3/11.3/9.0
1.........26........7....58...8...35....4.8.6.....347.....3756...54.87.3..356..84  ED=11.4/11.4/9.1

1.........25.......87....56...8...95....4.6.8.....947.....9876...84.75.9..956..84  ED=11.2/1.2/1.2
1.........25.......87....56...8...95....4.6.8.....947.....9876....4.75.9..956..84  ED=11.7/11.7/9.0  [WH]

I have posted the 11.7 as WH in the puzzles thread for the solvers ...