Logic Masters Deutschland e.V.

Dutch Flat Mates (Friendly Cells)

(Published on 7. February 2024, 11:30 by Flinty)

Normal Sudoku rules apply.

5's live in Dutch Flats
All 5's in the grid must strictly have EITHER; a '1' directly above it AND/OR a '9' directly below it. It may have both, but it doesn't need both.
Examples provided below on an empty grid.

Friendly Cells
Digits in a circle must match that circles Row, Column or Box number.
For example R2C3 must be either a 1 (Box), 2 (Row), or 3 (Column).
All circles are given!

To play this puzzle please click here: Play CTC

Please give this a chance, I promise it is approachable once you appreciate the constraints.

Special Thanks

Previous puzzles in this series:

Solution code: Digits from Row 4

Last changed on -

Solved by Felis_Timon, anyeyeball, m_busuttil, VeTaurus, jalebc, kkli, goodcity, GoogleEnPassant, smeeta, StefanSch, pigeon, chubnatty, ark29, Gilliatt, ViKingPrime, zrbakhtiar, ademjaz, Shmartus, kublai, ... Arne, ParaNox, phs, OJPS, moss, da-hans, widjo, k2u5as, Baklin, xtrm0, rhodri, Egotastic, me and the paws, Bankfred, Drafuf, Drawoon, aguyd, ikaikaw, JoBerlin, Spooof, isajo4002, Supertaster
Full list

Comments

on 9. February 2024, 18:13 by antiknight
Amazing puzzle with lovely deductions and ending!

on 7. February 2024, 21:03 by Nurator
Nice! Amazing how you found another valid grid with only 27 circles. The additional constraint was fun to play around with :)

on 7. February 2024, 16:17 by goodcity
Really nice tribute to Nurator who created a great approachable puzzle using this constraint. Thank you !

on 7. February 2024, 15:14 by ViKingPrime
Love it. Love everything about it. Brilliant use of the constraint (definitely need to go check out the inspiration for this). Incredible as always.

on 7. February 2024, 12:02 by anyeyeball
It is very friendly of you to make all these Dutch Flats sudokus. This one was exceptional. Thanks.

Difficulty:1
Rating:92 %
Solved:199 times
Observed:7 times
ID:000GSD

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