XV*Magic 6: Nurgles gifts magics another Sudoku

#sudoku #sudokusleuth

Today's Video:

After the struggle with the earlier puzzle, I needed something more approachable for everyone to enjoy!

Link to Play:

XV*Magic 6 by NurglesGift

Rules:

Normal sudoku rules apply.

Cells connected by an X must sum to 10.
Cells connected by an V must sum to 5.
All X's and V's are given..

There is a 3x3 magic square somewhere in the grid.
(A magic square is a 3x3 square with the digits 1-9 where all rows, columns and diagonals have the same sum)

Chapters:

00:00:00 Intro
00:00:53 Rules
00:02:47 Solve & Magic Squares
00:05:25 Actual Solve
00:38:31 Outro

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[neil]

I'm not one to attempt these variable replacement style puzzles, but the final replacement of the variables with their values is very satisfying to watch.

[anaayoung]

39:01 with some difficult hahaha
Today the biggest clue I got with you was: use letters! It became easier this way, altough I have a problem matching the letters pairs (like ab is equal to 23 in the V).
Thanks one more time!!! 🤗

[psiphiorg]

Finding the magic square was my first priority, and I was able to limit the center digit down to 9 possible cells, mostly but not entirely in box 5. Not exactly the same as you had -- I saw that r4c6 couldn't be it, because r4c7 is on an X and having the 5 be there would make r4c5 and r4c8 contain the same digit. But I didn't spot the 5 in box 9, so I had r6c7 as another possible magic square center. Since there were so many options, I just switched to coloring XV cells as usual, and only came back to finding it near the end of the puzzle.

And just like you, I used a second set of colors for the lower right of the puzzle, until I was finally able to match them up to the first set.

My time today was 24:36, solver number 401.

[laszloliptak]

Excellent puzzle, lot of fun, great solve. Solved it in 25:47.



I used 8 colors rather than letters. Somehow it is easier for me. At 32:50 you say that you will try not to use the magic square until you color the whole grid, but then not much later at 34:27 you use it :(. The coloring can be finished without using the magic square.

[jeffmoore]

@sudokusleuth Do you have any advice on how to pick the abcd? You went with box 4 and I went with column 1 and your's worked out much easier than mine.

[nestoreleuteriopaivabendo]

I never remember the magic square in its entirety, so this one needed a little trial and error, but it's done!

[karthick_michigooner]

Using Blue and Red for High and Low... and then alphabets AD; BC (for Vs) and AH; BG; CF; DE (for Xs) just helps the logic and helps you do Sudoku easily....

May be something for you to try on this puzzle (in your free time) or another similar puzzle.!

[annikaQED]

Great solve, Sleuth! A small observation: Box 8 could never have been the Magic Square, since the V in its 3rd column would require a 10 in the cell below it to make the 3rd column add up to 10.

[brandonamos]

That was a very good puzzle. Not too hard but still took a bit of thinking about. The end part was also very creative.