Here is a small example with dominos 0-0 to 4-4:
And the puzzle:
Solution code: Row by row all the digits that belong to a horizontally placed domino.
on 13. April 2022, 01:00 by Nick Smirnov
@Richard, I don't understand exactly what does a loop mean in this puzzle. For example, can dominoes r1c2-r1c3 and r2c1-r2c2 form a loop?
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@Nick: You need at least four dominos to form the smallest possible loop (with only one empty cell in the middle). The puzzle has some snake-element in it; the no touching part as well as 'one cell wide'.
Isn't the provided example helpful?
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@Richard, sorry, my choice of words was misleading. I wanted to ask: can dominoes r1c2-r1c3 and r2c1-r2c2 be part of a loop? Or another example, can dominoes r1c3-r1c4, r2c2-r2c3, r3c1-r3c2 be part of a loop. In another words, can some parts of a loop be like a staircase? I can imagine a loop with such staircase bits, but there are no such patterns in the example.
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@Nick: Aha, I see. Yes, such staircase patterns are definitely allowed!
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@Richard, great, thanks. The problem is that I don't know how to make a progress for the life of me, that's why I asked this question. But I will persevere :D
on 31. October 2020, 21:21 by dandbdi
penpa link - https://git.io/JTHX9
on 7. September 2012, 17:35 by cornuto
hmmm,der Lösungscode ist recht verständlich. Zumindest, wenn man horizontal und vertikal unterscheiden kann! Schönes Rätsel.
on 2. July 2012, 16:10 by pin7guin
Einfach klasse!
on 1. July 2012, 17:57 by Statistica
Schönes Rätsel, habe nur (zu) lange gebraucht, den Einstieg zu finden.
on 1. July 2012, 13:08 by Mody
Wunderschönes Rätsel :)