Logic Masters Deutschland e.V.

You may want to brush up on your classic sudoku techniques before attempting this one.

Opinions on difficulty are likely to vary significantly.

Rules:

-Normal sudoku rules apply.

-Kropki pair rules apply: On a black kropki dot, digits are in a 1:2 ratio. On a white kropki dot, digits are consecutive. There is no negative constraint.

-Bifurcation is not needed.

F-puzzles link