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Februar Prim-Monat (1) - Prim Sudoku

(Published on 3. February 2012, 12:00 by Richard)

February Prime month (1) - Prime sudoku

Place the digits from 1 to 9 in every row, column and 3x3-block. A dot means that the digits in the two horizontally neighbouring cells form a double digit prime number in the reading direction. All dots are in the grid. This constraint is not valid for two vertically neighbouring cells.

See also the example (with digits 1-6)

Solve online in CtC-app (thx Nick Smirnov!)

Solution code: Row 2, followed by column 6

Last changed on on 20. November 2022, 06:57

Solved by ibag, zorant, rimodech, ManuH, Laje6, Skinny Norris, zuzanina, flaemmchen, Zzzyxas, pokerke, dm_litv, CHalb, Saskia, Toastbrot, rob, Rollo, joyal, saskia-daniela, Alex, sandmoppe, martin1456, AnnaTh, ... PRW, marsigel, RALehrer, relzzup, crazyLuu, adam001, tuace, Joe Average, Carolin, rcg, Uhu, skypper, NikolaZ, Matt, Julianl, matter, Mathi, EKBM, misko, Nick Smirnov, Krokant, Crul, Greg
Full list

Comments

on 20. November 2022, 06:57 by Richard
Added tag and link for online solving.
Thx Nick!

on 18. November 2022, 21:27 by Nick Smirnov
CtC-app:
https://tinyurl.com/yc84d3va

on 16. February 2012, 22:26 by CHalb
Senior, schön dass du auch mal wieder als Löser auftauchst.

on 4. February 2012, 07:52 by Richard
@CHalb: Thanks! Goal achieved. :)

Last changed on 3. February 2012, 20:23

on 3. February 2012, 20:22 by CHalb
Toll! Wenn mir jemand diese Variante beschrieben hätte, hätte ich sie mir nicht so attraktiv vorgestellt. Nur Ideen haben reicht eben nicht, man muss es auch schaffen, sie angemessen zu entwickeln.

on 3. February 2012, 12:45 by ibag
Das hatte ich getestet, aber die Lösung zwischenzeitlich verbummelt. Hat aber nochmal großen Spaß gemacht!

Difficulty:2
Rating:90 %
Solved:92 times
Observed:14 times
ID:0001AD

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