Solution code: Für jede Zeile außer der letzten die Anzahl wie oft der Rundweg von dieser Zeile aus nach unten führt, anschließend Zeile 1 und Spalte 8 (S für ein Schwarzfeld).
on 7. July 2026, 16:25 by Dotty
Thank you Playmaker6174.
"If the loop visits a blackened box, it must go straight through it." that is the rule I missed. I will try again now
on 7. July 2026, 16:09 by Playmaker6174
@Dotty: I can try to clarify the rules to you.
- A single loop must be drawn in the grid and the loop travels orthogonally through some boxes (cells) in the grid.
- The loop may visit boxes with digit only once, but it doesn't necessarily visit all boxes with digit.
- If the loop visits a blackened box, it must go straight through it. The loop may also cross itself, but it may only do so at the blackened boxes.
- Blue box must contain digit and must also be visited by the loop; such digit is also equal to the length of the continuous sequence of digits along the loop with that blue box.
- Within any continuous sequence of digits along the loop (with or without blue box), digits cannot repeat.
on 7. July 2026, 15:18 by Dotty
Thanks for your answer.
Does the loop can pass on digits without a blue box in the sequence ?
on 7. July 2026, 11:22 by Dotty
I found multiple answers, so I think there is a rule I misunderstood.
What I understand from translation is :
In each line or column, some boxes are black and some have a digit from 1 to 6 (max one of each).
Given numbers are sums of consecutive digits (separated by black box(es)), in order.
A closed loop pass in center of some boxes. It pass on all black and all blue boxes.
It can cross only on black box.
The digit on blue box indicate the number of consecutive digits along the loop (from a black box to the next one).
Consecutive digits on the loop have to be differents from each others in the same sequence.
@Dotty: The loop doesn't have to pass all black boxes.
on 7. July 2026, 03:46 by MaizeGator
Ich habe dieses Rätsel geliebt
on 30. June 2026, 23:18 by Piatato
Great fun, thanks!
on 29. June 2026, 12:04 by marcmees
very nice. Thanks
on 29. June 2026, 11:28 by Playmaker6174
Small penpa link for solving (no answer check): https://tinyurl.com/236hsrl5
Fun puzzle with nice loop resolution in the later half :)
on 28. June 2026, 23:46 by ibag
Sehr schön!