Place digits 1-8 into all empty cells such that no digit is repeated within a row or column. Additionally, draw a single closed loop that travels horizontally and vertically through all cells of the grid. Clues outside the grid indicate the sums of the digits on each loop segment in the respective row, in the correct order.
A 4x4 example:
The puzzle is also available online on Penpa.
Lösungscode: Columns 4 and 5.
am 11. August 2020, 19:45 Uhr von Dandelo
I just noticed that Eva's roller coasters don't have this tag yet. I think it is an established puzzle type now. Maybe they should be tagged?
am 11. August 2020, 19:07 Uhr von Dandelo
Nice construction, beautiful solving path.
But I agree that this is a roller coaster variation. Maybe it should have this tag?
am 11. August 2020, 17:19 Uhr von marcmees
one sided rollercoaster ? nice. thanks