19 CLUE SUDOKU WORKOUT

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

19 CLUE SUDOKU WORKOUT

Postby coloin » Mon Dec 12, 2022 10:57 am

So this brings on the next assignment [ leave the 18C for the time being]

A.What is the smallest minlex 19C puzzle ?
B. What is the largest minlex 19C puzzle ?

Baseline try, go steady.

Code: Select all
A
+---+---+---+
|...|...|...|
|...|...|..1|
|...|..2|.3.|
+---+---+---+
|...|...|4..|
|..2|...|.5.|
|.6.|14.|..7|
+---+---+---+
|...|..8|.2.|
|4..|3.5|...|
|9..|.1.|6.4|
+---+---+---+    19C

B
+---+---+---+
|...|...|.12|
|...|.34|...|
|.56|...|...|
+---+---+---+
|...|...|3.7|
|..4|.6.|5..|
|.7.|1..|...|
+---+---+---+
|...|..3|4..|
|1..|2..|...|
|7..|...|.8.|
+---+---+---+  19C
Last edited by coloin on Sun Mar 17, 2024 9:17 pm, edited 1 time in total.
coloin
 
Posts: 2494
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Location: Devon

Re: More Homework 8

Postby JPF » Mon Dec 12, 2022 1:16 pm

quick try:
Code: Select all
A:
+---+---+---+
|...|...|...|
|...|...|..1|
|...|..2|.3.|
+---+---+---+
|...|...|4..|
|...|.5.|.2.|
|..6|1..|..7|
+---+---+---+
|.1.|..6|.4.|
|37.|...|5..|
|5..|..4|28.|
+---+---+---+

and a lazy one:
Code: Select all
+---+---+---+
|...|...|...|
|...|...|..1|
|...|..1|.23|
+---+---+---+
|...|...|...|
|..2|.4.|5..|
|.31|..6|...|
+---+---+---+
|...|..3|..6|
|5.4|...|7..|
|7..|1.8|4..|
+---+---+---+


JPF
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Re: More Homework 8

Postby coloin » Mon Dec 12, 2022 7:12 pm

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

quite a way to go ...
coloin
 
Posts: 2494
Joined: 05 May 2005
Location: Devon

Re: More Homework 8

Postby JPF » Mon Dec 12, 2022 9:56 pm

Code: Select all
A:
+---+---+---+
|...|...|...|
|...|...|..1|
|...|..1|..2|
+---+---+---+
|..1|..3|...|
|..2|...|..4|
|..5|.67|.8.|
+---+---+---+
|.7.|.3.|.5.|
|.8.|.9.|...|
|.9.|4..|.6.|
+---+---+---+  19C

JPF
JPF
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Re: More Homework 8

Postby coloin » Mon Dec 12, 2022 10:34 pm

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

Code: Select all
B
+---+---+---+
|...|..1|..2|
|..3|...|.4.|
|.5.|.6.|...|
+---+---+---+
|...|..2|.3.|
|.6.|7..|...|
|8..|...|5..|
+---+---+---+
|...|.5.|6.7|
|..4|8..|...|
|2..|...|1..|
+---+---+---+     has to be 123456 on first band ...

software overload ...
getting closer to end but might take a bit longer ....
coloin
 
Posts: 2494
Joined: 05 May 2005
Location: Devon

Re: More Homework 8

Postby JPF » Tue Dec 13, 2022 7:59 pm

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

Code: Select all
B:
+---+---+---+
|...|..1|..2|
|..3|...|.4.|
|.5.|.6.|...|
+---+---+---+
|...|..4|7..|
|..8|...|..6|
|1..|3..|...|
+---+---+---+
|...|9..|.3.|
|.7.|...|5..|
|69.|.8.|...|
+---+---+---+

JPF
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Re: More Homework 8

Postby coloin » Tue Dec 13, 2022 9:58 pm

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

Code: Select all
B;
+---+---+---+
|...|..1|..2|
|..3|...|.4.|
|.5.|.6.|...|
+---+---+---+
|...|.3.|1..|
|..2|5..|...|
|7..|...|..8|
+---+---+---+
|...|4..|.5.|
|.6.|...|9..|
|1..|..8|..4|
+---+---+---+     ED=8.3/8.3/3.8  too
coloin
 
Posts: 2494
Joined: 05 May 2005
Location: Devon

Re: More Homework 8

Postby JPF » Wed Dec 14, 2022 8:09 am

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

Code: Select all
B:
+---+---+---+
|...|..1|..2|
|..3|...|.4.|
|.5.|.6.|...|
+---+---+---+
|...|.5.|6..|
|..4|3..|...|
|2..|...|..7|
+---+---+---+
|...|4.2|.3.|
|.6.|...|8..|
|1..|..9|...|
+---+---+---+

JPF
JPF
2017 Supporter
 
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Location: Paris, France

Re: More Homework 8

Postby coloin » Wed Dec 14, 2022 12:51 pm

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

Code: Select all
B:
+---+---+---+
|...|..1|..2|
|..3|...|.4.|
|.5.|.6.|...|
+---+---+---+
|...|.5.|6..|
|..7|4..|...|
|1..|...|8.9|
+---+---+---+
|...|7..|.3.|
|.8.|...|5..|
|9..|..2|...|
+---+---+---+


A: a few to get
B: only one puzzle is bigger in my list !
coloin
 
Posts: 2494
Joined: 05 May 2005
Location: Devon


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