Logic Masters Deutschland e.V.

Hourglass

Rules:

Normal sudoku rules apply.

Region Sum Lines: Box borders divide a blue line into segments which have the same sum. Different lines may have different sums.

German Whisper: Adjacent digits along a green line have a difference of at least 5.

Renban: Digits along a purple line form a set of consecutive digits in any order.

Nabner: Digits along a yellow line form a set of non consecutive digits in any order.

Minimum: The shaded digit is smaller than all of its orthogonal neighbors.

Little Killer: A clue outside the grid gives the sum of the digits along the indicated diagonal.

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Happy solving!