Logic Masters Deutschland e.V.

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Regular sudoku rules apply: place the digits 1-9 in every row, column, and box

Killer cages: Digits in cages sum to the number in the upper left corner of the cage and cannot repeat.

Arrows: Digits on an arrow sum to the number in the circle attached to the arrow

Entropic lines: Every three consecutive digits along the peach line must contain a low digits (1, 2, 3), a medium digit (4, 5, 6), and a high digit (7, 8, 9).

White Kropki dots: White dots placed between two digits indicate the difference between the digits is one

Black Kropki Dots: Black dots placed between two digits indicate the digits have a ratio of 2:1

Not all dots are placed

V Sums: Digits separated by a V sum to 5. All V clues are given.

A small bit of fog covers a square, and will be cleared when a correct digit is placed nearby