The New Sudoku Players' Forum

[coloin]

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

[JPF]

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

[coloin]

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 ...

[JPF]

Code: Select all

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


JPF

[coloin]

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 ....

[JPF]

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

[coloin]

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


[JPF]

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

[coloin]

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 !