Here is another training puzzle for the upcoming DSM qualifier on 22.-25.01.21. See the text below the grid for another example. Have fun!
Fill the grid with digits 1 to 9 so that each row, column and 3x3 box contains each digit exactly once.
All pairs of adjacent digits with difference A,B and C have been marked by white, grey and black dots. A, B and C are different and it's part of the puzzle to determine these values.
Confetti Sudoku in Richards Sudoku Variant Series
Solution code: Row 9, column 7
on 30. August 2021, 02:29 by Realshaggy
Revised labels.
on 26. February 2021, 17:34 by Culprit
my first puzzle solve and I had an issue with typing the solution for 3 hours. I was typing the column as row and the opposite.
on 19. January 2021, 08:41 by Puzzle-Elch
@Ryx: Fill in all the candidates in box 4&5 and there will be only one option left the white dot.
on 18. January 2021, 11:22 by Realshaggy
Added two black dots to Penpa link.
on 18. January 2021, 10:47 by Dandelo
Bei penpa+ fehlt ein Punkt.