Normal Sudoku rules apply. Each row, column, and 3x3 box contains each number from 1 to 9 exactly once.
Arrow Sudoku rules apply. Digits along an arrow in the grid must sum to the digit in its circle. Digits may repeat along the arrows.
The puzzle is also available online.
Solution code: Row 6 and Row 7
on 29. September 2021, 15:49 by ecavalli
Finally managed to solve this one. Very intruiguing. Unfortunately I'm missing a solid logic explanation for the break-in.... I will ask on discord :)
on 19. September 2021, 15:47 by uvo_mod
Labels ergänzt.
on 17. September 2021, 19:57 by chuffinora
Really nice puzzle. Brutally hard for me but worth the 3 hrs it took!