Normal sudoku rules apply.
The sum of a black dot cell and all of its orthogonal neighbors is the same for each black dot.
Blue lines are Region Sum lines wherein 3x3 box borders divide them into segments with the same sum.
Digits along a lockout line must not be between the digits in the diamonds at the ends of the line, which have a difference of at least 4.
Lösungscode: Enter Column 9
am 15. Juli 2025, 03:36 Uhr von NotSoMagnifique
This one will knock you black and blue, but it's worth it!
am 15. Juli 2025, 03:07 Uhr von sanabas
Was a fun one to test. Constraint on all black dots having their neighbours have an identical sum led to some interesting logic.
am 15. Juli 2025, 03:02 Uhr von Mattisahuman
The unique constraint being used one last time at the end is so beautiful