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More Homework 6

Everything about Sudoku that doesn't fit in one of the other sections
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Re: More Homework 6

Postby JPF » Sat Nov 26, 2022 4:04 pm

Thanks blue!
I was sure you had already checked it :)

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Re: More Homework 6

Postby m_b_metcalf » Sun Nov 27, 2022 10:55 am

coloin wrote:Good job it wasnt a pattern in the patterns game, despite many many hardish puzzles
only one proper diamond !!
Code: Select all
..........8..9..2.29.67.54...........7..4..8.43.95.71...........2..6..5.64.38.19. ED=7.1/7.1/7.1
..........1..9..3.69.73.54...........7..4..6.23.67.49...........2..6..1.54.92.67. ED=9.2/9.2/3.8

So I wheeled out the rusty PG-engine and got:
Code: Select all
..........1..2..3.42.56.78...........8..5..4.76.94.15...........5..8..7.97.41.86.   ED=3.0/3.0/3.0   
..........1..2..3.42.53.67...........5..7..4.83.45.72...........8..4..1.67.28.45.   ED=9.3/9.3/3.8   
Hidden Text: Show
Code: Select all
..........1..2..3.42.15.67...........5..7..8.89.26.51...........3..1..6.17.98.42.   ED=2.0/2.0/2.0   
..........1..2..3.24.51.67...........7..3..8.18.64.52...........6..5..1.75.28.46.   ED=2.3/2.0/2.0   
..........1..2..3.42.35.67...........5..8..6.17.26.48...........8..3..5.36.74.21.   ED=3.2/3.0/3.0   
..........1..2..3.24.56.78...........8..5..6.67.14.52...........2..8..7.85.27.61.   ED=3.4/3.0/3.0   
..........1..2..3.24.56.17...........6..5..4.87.41.52...........2..7..6.75.28.41.   ED=3.8/2.0/2.0   
..........1..2..3.24.35.67...........8..3..2.65.98.34...........2..4..8.43.17.95.   ED=4.2/4.2/3.8   
..........1..2..3.45.16.78...........7..8..4.62.74.85...........3..5..2.76.83.41.   ED=4.4/3.6/3.0   
..........1..2..3.43.56.78...........5..8..1.38.74.56...........6..1..2.87.43.65.   ED=4.5/4.2/3.0   
..........1..2..3.42.56.78...........6..8..7.57.24.61...........5..3..6.68.17.25.   ED=4.7/4.7/3.0   
..........1..2..3.42.15.67...........3..7..8.89.26.51...........5..1..6.17.38.42.   ED=5.0/4.2/3.0   
..........1..2..3.45.67.82...........9..4..8.76.81.25...........8..6..4.62.45.71.   ED=5.6/3.0/3.0   
..........1..2..3.45.67.18...........4..3..1.17.58.64...........8..5..7.36.41.82.   ED=6.2/2.5/2.5   
..........1..2..3.42.53.67...........5..1..8.93.48.72...........8..4..1.64.27.35.   ED=6.6/6.6/3.8   
..........1..2..3.43.56.78...........2..8..1.18.74.56...........6..1..2.87.43.65.   ED=6.7/6.7/3.0   
..........1..2..3.45.67.82...........3..9..7.76.81.45...........8..6..4.62.45.78.   ED=6.8/4.2/3.4   
..........1..2..3.43.56.72...........5..8..4.39.75.21...........4..9..6.72.43.95.   ED=7.0/7.0/3.8   
..........1..2..3.32.45.67...........3..8..4.76.91.32...........7..6..8.54.23.91.   ED=7.2/7.2/3.8   
..........1..2..3.43.56.78...........4..3..7.76.18.52...........8..1..6.35.47.81.   ED=7.3/7.3/3.8   
..........1..2..3.43.56.12...........7..3..1.16.78.54...........8..7..6.62.41.87.   ED=7.4/3.0/3.0   
..........1..2..3.42.53.67...........5..7..4.89.35.72...........3..4..1.67.29.45.   ED=7.5/7.5/3.8   
..........1..2..3.42.53.67...........5..1..6.73.46.82...........7..8..1.68.27.45.   ED=8.2/8.2/3.0   
..........1..2..3.45.63.78...........6..5..4.83.46.25...........8..4..1.72.18.56.   ED=8.3/8.3/3.8   
..........1..2..3.42.53.67...........5..1..4.73.45.82...........8..4..1.67.28.35.   ED=8.4/8.4/3.8   
..........1..2..3.24.53.67...........5..1..8.83.45.72...........2..4..1.67.28.35.   ED=8.5/8.5/3.8   
..........1..2..3.45.67.81...........9..6..4.86.54.79...........3..1..7.17.49.65.   ED=8.6/8.6/3.8   
..........1..2..3.45.67.82...........6..1..7.37.46.25...........4..8..1.82.53.46.   ED=8.8/8.8/3.8   
..........1..2..3.43.56.27...........2..8..6.36.17.48...........8..1..5.67.45.12.   ED=8.9/8.9/3.8   
..........1..2..3.42.53.67...........7..1..8.83.45.72...........8..4..1.64.28.35.   ED=9.0/9.0/3.8   
..........1..2..3.42.53.67...........5..7..4.83.45.72...........8..4..1.27.68.45.   ED=9.1/9.1/3.8   
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Re: More Homework 6

Postby JPF » Sun Nov 27, 2022 3:00 pm

Code: Select all
..........2..9..3.83.25.96...........8..6..7.25.37.68...........1..3..2.36.82.59.  ED=10.2/1.2/1.2
..........1..6..9.42.19.67...........8..4..3.39.71.42...........7..2..6.26.93.71.  ED=10.1/3.0/3.0
..........9..4..1.13.98.45...........8..3..6.94.21.38...........1..5..4.85.49.12.  ED=9.9/2.0/2.0
..........6..7..3.58.42.16...........2..4..1.43.68.27...........4..6..2.87.21.64.  ED=9.6/1.2/1.2
..........4..1..5.85.96.13...........8..9..1.16.53.49...........1..8..6.29.15.34.  ED=9.4/1.2/1.2
..........5..9..3.97.53.41...........8..5..7.53.74.29...........9..1..8.21.37.54.  ED=9.3/9.3/3.8
..........5..7..3.93.48.62...........4..5..1.67.14.39...........8..6..5.56.23.14.  ED=7.2/7.2/7.2

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Re: More Homework 6

Postby m_b_metcalf » Mon Nov 28, 2022 10:15 am

A little one:
Code: Select all
..........1..2..3.45.67.28...........6..1..4.82.96.35...........9..8..1.18.23.96.   ED=4.2/4.2/4.2
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Re: More Homework 6

Postby JPF » Mon Nov 28, 2022 12:42 pm

and this one:
Code: Select all
..........2..7..8.69.52.14...........6..3..9.45.91.72...........7..4..5.28.79.63.   ED=6.6/6.6/6.6

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Re: More Homework 6

Postby JPF » Mon Nov 28, 2022 10:23 pm

A last one for the road:
Code: Select all
+-------+-------+-------+
| x . . | x . . | x . . |
| . x . | . x . | . x . |
| x . . | x . . | x . . |
+-------+-------+-------+
| . . x | . . x | . . x |
| . x . | . x . | . x . |
| . . x | . . x | . . x |
+-------+-------+-------+
| . x . | . x . | . x . |
| x . . | x . . | x . . |
| . . x | . . x | . . x |
+-------+-------+-------+

Find valid puzzles with the highest number of boxes having the same value (sum of the digits) .

example:
Code: Select all
+-------+-------+-------+
| 1 . . | 3 . . | 4 . . |
| . 6 . | . 8 . | . 3 . |
| 9 . . | 2 . . | 6 . . |
+-------+-------+-------+
| . . 6 | . . 7 | . . 4 |
| . 2 . | . 9 . | . 7 . |
| . . 5 | . . 2 | . . 6 |
+-------+-------+-------+
| . 7 . | . 3 . | . 4 . |
| 2 . . | 9 . . | 7 . . |
| . . 4 | . . 1 | . . 3 |
+-------+-------+-------+

B2,B3,B4,B7,B8 - value=13

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Re: More Homework 6

Postby marek stefanik » Tue Nov 29, 2022 12:51 am

15 for all boxes and columns, non-minimal
Code: Select all
+-------+-------+-------+
| 1 . . | 4 . . | 7 . . |
| . 5 . | . 8 . | . 2 . |
| 9 . . | 3 . . | 6 . . |
+-------+-------+-------+
| . . 2 | . . 5 | . . 8 |
| . 7 . | . 1 . | . 4 . |
| . . 6 | . . 9 | . . 3 |
+-------+-------+-------+
| . 3 . | . 6 . | . 9 . |
| 5 . . | 8 . . | 2 . . |
| . . 7 | . . 1 | . . 4 |
+-------+-------+-------+

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Re: More Homework 6

Postby m_b_metcalf » Tue Nov 29, 2022 12:48 pm

Code: Select all
 7 . . 3 . . 4 . .
 . 1 . . 8 . . 3 .
 5 . . 2 . . 6 . .
 . . 6 . . 3 . . 9
 . 2 . . 4 . . 1 .
 . . 5 . . 6 . . 3
 . 7 . . 3 . . 8 .
 2 . . 9 . . 3 . .
 . . 4 . . 1 . . 2  9 x 13, 2 solutions
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Re: More Homework 6

Postby m_b_metcalf » Tue Nov 29, 2022 4:35 pm

Code: Select all
 9 . . 4 . . 7 . .
 . 1 . . 8 . . 2 .
 7 . . 3 . . 6 . .
 . . 2 . . 4 . . 6
 . 7 . . 3 . . 5 .
 . . 6 . . 8 . . 1
 . 3 . . 6 . . 8 .
 5 . . 8 . . 1 . .
 . . 7 . . 1 . . 5   6 x 15, valid
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Re: More Homework 6

Postby marek stefanik » Wed Nov 30, 2022 1:44 pm

Tried some more values.
9x13, non-minimal
Code: Select all
+-------+-------+-------+
| 1 . . | 3 . . | 2 . . |
| . 5 . | . 4 . | . 3 . |
| 7 . . | 6 . . | 8 . . |
+-------+-------+-------+
| . . 3 | . . 2 | . . 1 |
| . 4 . | . 3 . | . 5 . |
| . . 6 | . . 8 | . . 7 |
+-------+-------+-------+
| . 2 . | . 1 . | . 4 . |
| 3 . . | 5 . . | 6 . . |
| . . 8 | . . 7 | . . 3 |
+-------+-------+-------+

9x11, non-minimal
Code: Select all
+-------+-------+-------+
| 1 . . | 2 . . | 6 . . |
| . 2 . | . 5 . | . 3 . |
| 8 . . | 4 . . | 2 . . |
+-------+-------+-------+
| . . 6 | . . 2 | . . 1 |
| . 4 . | . 1 . | . 7 . |
| . . 1 | . . 8 | . . 3 |
+-------+-------+-------+
| . 1 . | . 6 . | . 4 . |
| 3 . . | 1 . . | 5 . . |
| . . 7 | . . 4 | . . 2 |
+-------+-------+-------+

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Re: More Homework 6

Postby JPF » Wed Nov 30, 2022 3:24 pm

For minimal puzzles, here is what I got:
Code: Select all

+---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+
|4..|3..|2..|   |4..|3..|2..|   |6..|8..|2..|   |7..|9..|2..|   |4..|7..|2..|   |7..|9..|3..|   |7..|5..|6..|   |5..|8..|9..|
|.5.|.7.|.8.|   |.6.|.8.|.9.|   |.5.|.1.|.7.|   |.5.|.1.|.8.|   |.9.|.3.|.8.|   |.6.|.2.|.8.|   |.8.|.3.|.7.|   |.4.|.7.|.8.|
|2..|1..|5..|   |2..|1..|6..|   |2..|4..|5..|   |2..|4..|5..|   |2..|5..|9..|   |3..|5..|6..|   |2..|9..|4..|   |9..|3..|1..|
+---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+
|..3|..1|..6|   |..3|..1|..7|   |..8|..4|..3|   |..9|..4|..3|   |..7|..5|..6|   |..9|..5|..4|   |..3|..5|..4|   |..4|..7|..8|
|.6.|.3.|.2.|   |.7.|.3.|.2.|   |.3.|.8.|.2.|   |.3.|.9.|.2.|   |.6.|.7.|.2.|   |.4.|.9.|.3.|   |.5.|.8.|.6.|   |.6.|.8.|.9.|
|..2|..7|..3|   |..2|..8|..3|   |..2|..1|..8|   |..2|..1|..9|   |..2|..3|..7|   |..3|..2|..9|   |..9|..4|..7|   |..9|..3|..1|
+---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+
|.4.|.2.|.1.|   |.4.|.2.|.1.|   |.6.|.2.|.4.|   |.7.|.2.|.4.|   |.4.|.2.|.5.|   |.7.|.3.|.5.|   |.6.|.9.|.2.|   |.5.|.9.|.4.|
|6..|4..|8..|   |7..|4..|9..|   |3..|6..|7..|   |3..|7..|8..|   |6..|4..|8..|   |4..|7..|8..|   |3..|8..|9..|   |6..|7..|5..|
|..1|..5|..2|   |..1|..6|..2|   |..4|..5|..2|   |..4|..5|..2|   |..5|..9|..2|   |..5|..6|..3|   |..8|..2|..6|   |..7|..2|..9|
+---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+   +---+---+---+
8x11            8x12            8x13            8x14            8x15            8x16            8x17            8x18

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Re: More Homework 6

Postby JPF » Fri Dec 02, 2022 11:16 am

Here is a non-minimal 8x19 +20
Code: Select all
+---+---+---+
|4..|8..|7..|
|.9.|.3.|.8.|
|6..|9..|4..|
+---+---+---+
|..5|..8|..7|
|.6.|.2.|.9.|
|..8|..9|..3|
+---+---+---+
|.2.|.9.|.6.|
|8..|7..|9..|
|..9|..3|..4|
+---+---+---+

pattern high rating:
Code: Select all
+---+---+---+
|7..|9..|5..|
|.5.|.3.|.6.|
|2..|8..|4..|
+---+---+---+
|..4|..3|..2|
|.2.|.9.|.1.|
|..7|..1|..6|
+---+---+---+
|.6.|.7.|.8.|
|8..|3..|6..|
|..2|..8|..9|
+---+---+---+   ED=10.0/10.0/2.6

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Re: More Homework 6

Postby m_b_metcalf » Fri Dec 02, 2022 1:35 pm

And a couple of diamonds:
Code: Select all
 1 . . 2 . . 3 . .
 . 4 . . 1 . . 2 .
 5 . . 6 . . 4 . .
 . . 7 . . 1 . . 5
 . 5 . . 7 . . 3 .
 . . 8 . . 6 . . 9
 . 9 . . 8 . . 6 .
 7 . . 1 . . 9 . .
 . . 5 . . 9 . . 2   ED=9.0/9.0/9.0

 1 . . 2 . . 3 . .
 . 3 . . 1 . . 2 .
 4 . . 5 . . 6 . .
 . . 7 . . 1 . . 4
 . 4 . . 2 . . 8 .
 . . 9 . . 8 . . 6
 . 6 . . 9 . . 5 .
 5 . . 7 . . 1 . .
 . . 4 . . 5 . . 2   ED=9.1/9.1/9.1
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Re: More Homework 6

Postby Hajime » Sat Dec 03, 2022 9:50 pm

Code: Select all
9 . . 2 . . 6 . .
 . 3 . . 8 . . 2 .
 4 . . 5 . . 8 . .
 . . 7 . . 1 . . 4
 . 4 . . 2 . . 8 .
 . . 3 . . 8 . . 6
 . 6 . . 7 . . 5 .
 5 . . 9 . . 1 . .
 . . 4 . . 5 . . 2  ED=9.2/9.2/9.2


I got my new PG_solver up and running 1 week after g.r.emlin went ill.
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Re: More Homework 6

Postby JPF » Sat Dec 03, 2022 10:30 pm

Code: Select all
+---+---+---+
|1..|2..|3..|
|.4.|.5.|.6.|
|5..|7..|8..|
+---+---+---+
|..2|..8|..6|
|.6.|.2.|.8.|
|..9|..7|..3|
+---+---+---+
|.7.|.9.|.1.|
|6..|4..|9..|
|..4|..5|..8|
+---+---+---+   ED=9.3/9.3/9.3

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