Logic Masters Deutschland e.V.

Four-Way Loop

(Eingestellt am 25. März 2022, 08:00 Uhr von SudokuExplorer)

Draw a single loop in the 16x16 grid, satisfying a different rule in each quadrant.

1. Masyu
The loop passes through all circled cells in the 1st quadrant.
In cells with a black circle, the loop makes a 90° turn and goes straight through the cells before and after. In cells with a white circle, the loop goes straight through and makes a 90° turn in at least one of the cells before or after.
Not all circled cells are necessarily given.

2. Tapa-Like Loop (Full)
The loop passes through all unclued cells in the 2nd quadrant.
A clue gives the number of surrounding cells continuously passed through by the loop.
"?" can represent any positive integer.
For an example, see Dandelo's puzzle

3. Simple Loop
The loop passes through all unshaded cells in the 3rd quadrant.

4. Mid-Loop
The loop passes through all black dots in the 4th quadrant.
Each black circle is the midpoint of a horizontal/vertical line segment of the loop.
Not all black dots are necessarily given.

You can try this on Penpa+. Enjoy!

Lösungscode: For each row, enter the length of the longest horizontal loop segment.

Zuletzt geändert -

Gelöst von Swood, Jesper, jessica6, Jiahenitian, Dandelo, Vebby, h5663454, bigger, laky, Dina, Mystoph, cdwg2000, CahounCZ, MagnusJosefsson, Lizzy01, Greg, Bobby, MathMan, moss, Raistlen, kublai, misko, ... zuzanina, Franjo, CJK, moeve, TimE, Mark Sweep, Statistica, zorant, Nusi, Joe Average, CHalb, jodid, skywalker, Jaych, ffricke, polar, rimodech, BenceJoful, karzym, Uhu, ManuH, Frutlop, Shashkov26
Komplette Liste


am 12. April 2022, 18:57 Uhr von jodid
Great fun!

Zuletzt geändert am 10. April 2022, 21:34 Uhr

am 10. April 2022, 21:17 Uhr von jodid
Can the loop enter and exit each quadrant any number of times?

SE: That is correct

am 27. März 2022, 23:31 Uhr von SudokuExplorer
@Jesper: Thanks! I'm really pleased it went smoothly :-)

@Mystoph: You're welcome! I'm pleased you enjoyed the puzzle :-)

@Magnus: Cheers! I'm chuffed you had an enjoyable time solving it :-)

am 25. März 2022, 13:15 Uhr von MagnusJosefsson
Very nice and enjoyable loop combination!

am 25. März 2022, 11:47 Uhr von Mystoph
Nice construction, thank you very much!

am 25. März 2022, 09:09 Uhr von Jesper
Fun loop puzzle! Good flow.

Bewertung:96 %
Gelöst:48 mal
Beobachtet:4 mal

Rätselkombination Online-Solving-Tool Mehrgitterrätsel Wegerätsel

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