Logic Masters Deutschland e.V.

Yajilin (Tromino)

(Published on 12. April 2020, 12:30 by Puzzle_Maestro)

Unfortunately, there have been very few puzzles in the portal lately (14 out of 20 of the most recent puzzles are sudoku, and only 2 are logic puzzles), so I will try to create some more puzzles.

Standard Yajilin rules, except that instead of blackening single cells, blacken in trominoes (groups of three orthogonally connected cells). Trominoes may not touch each other orthogonally but may touch diagonally. The numbers show the number of different trominoes in the given direction.

Solution code: For each row from top to bottom, enter the number of the column where the first black cell appears. (Only the last digit for multi-digit numbers, 0 for a column without a black cell).

Last changed on on 12. April 2020, 19:20

Solved by Ours brun, moss, Zzzyxas, dm_litv, Dandelo, saskia-daniela, cdwg2000, NikolaZ, Nylimb, Realshaggy, Nothere, amitsowani, r45, rob, ManuH, ch1983, Joe Average, jessica6, skywalker, rimodech, Feadoor, ... Quetzal, ffricke, Alex, pirx, karzym, AnnaTh, tuace, bob, Mody, Nensche777, HaSe, uvo, Lizzy01, misko, Matt, EKBM, Mark Sweep, Jesper, Phistomefel, CJK, ildiko, Vebby, cdowell, Raistlen, jkuo7
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Comments

Last changed on 21. January 2022, 13:43

on 21. January 2022, 13:38 by Vebby
Link to solve on Penpa+ with answer check (green lines + tromino shading):
https://tinyurl.com/2p9c8uje

@pin7guin: This may be late, but there is indeed an error in one digit of your solution.

Last changed on 14. April 2020, 23:49

on 14. April 2020, 23:49 by glum_hippo
Es war absichtlich versteckt, mit der Idee daß der/die AutorIn die deutschsprachige Fassung aktualisieren könnte, wenn erwünscht. Mehr nicht.

on 14. April 2020, 18:18 by Dandelo
Ist auch eigentlich nicht nötig, in dieser Richtung. Englische Anleitungen versteht doch jeder. Es ist halt ursprünglich ein deutsches Portal mit deutschen Anleitungen. Die englischen Anleitungen waren zuerst nur als Extra für nicht-deutschsprachige Gäste gedacht. Mittlerweile laufen ja sogar die Diskussionen eher auf Englisch.

on 14. April 2020, 17:57 by CHalb
@glum_hippo: Danke für die deutsche Anleitung. Du hast sie allerdings als versteckten Kommentar gekennzeichnet, d.h. der Kommentar ist sichtbar nur für den Autor und alle, die das Rätsel gelöst haben. Und falls Puzzle_Maestro sie übernimmt: Deutscher Plural ohne e, also Trominos :-).

Last changed on 14. April 2020, 18:12

on 14. April 2020, 15:05 by glum_hippo
For the German version:

Es gelten die üblichen Yajilin-Regeln, aber statt einzelne Zellen muß man Trominos (Dreizellgruppen) einschwärzen. Die eingeschwärzten Gruppen dürfen sich nur diagonal berühren. Die Zahlen deuten an, wieviele Trominoes in der angegebenen Richtung sichtbar sind.

on 13. April 2020, 15:37 by Realshaggy
Christian, this is already a somewhat common variation with dominoes:

https://www.gmpuzzles.com/blog/?s=double+yajilin

on 13. April 2020, 14:50 by CHalb
Very good idea and well made. Opens visions to do this with Dominoes or Tetrominoes.

on 12. April 2020, 19:20 by Puzzle_Maestro
Removed 'knowledge of English language needed' tag

on 12. April 2020, 19:17 by rob
Nice one!

(The language tag usually refers to the puzzle "content" as it were, i.e., some knowledge of English is required to solve the puzzle even once you understand the rules.)

on 12. April 2020, 14:49 by Nylimb
@Puzzle_Maestro: Thanks for the clarification. Nice puzzle!

on 12. April 2020, 13:18 by Puzzle_Maestro
@Nylimb: the latter is correct: the number of trominoes.

on 12. April 2020, 13:18 by Puzzle_Maestro
Added clarification about what clue numbers indicate

on 12. April 2020, 13:14 by Nylimb
Can you clarify what the numbers mean? Are they the number of black cells pointed to by the arrows, or the number of trominoes? E.g. if there were a straight tromino in the bottom row, would that satisfy the 3 clue at the bottom right?

on 12. April 2020, 12:31 by Puzzle_Maestro
Changed difficulty rating

Difficulty:2
Rating:92 %
Solved:57 times
Observed:5 times
ID:0003C8

Puzzle variant Path puzzle

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Solution code:

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