Logic Masters Deutschland e.V.

Sudoku: Normal Sudoku rules apply; place the digits 1-9 once in every row, column, and 3x3 box.

German Whisper Line (starting cells at r2c2, r4c5, r4c7, r6c8, r9c4): Digits along a green line differ by at least 5.

Renban Line (starting cell r2c7): Digits along a magenta line contain a set of consecutive digits in any order, without repeats.

Region Sum Line (starting cell r6c4): Digits along a blue line are divided by box borders into sums of equal value.

Thermometer Line (bulb cells at r3c6, r8c1): Digits along a gray thermometer strictly increase from the bulb.

Black Kropki Dots: Digits separated by a black dot have a ratio of 1:2.

White Kropki Dots: Digits separated by a white dot are consecutive.

X: Digits separated by an X sum to 10.

Expected Difficulty: 2 stars

Clay Loves Logic Feature.

Sudoku Sleuth Feature.

Logic Lemur Gaming Feature.

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