Logic Masters Deutschland e.V.

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3:00 AM

It's the middle of the night when Nala finds traces in the backyard. Someone was there while she was sleeping earlier! But now she woke up and needs to find out more about the backyard intruder. Where had they been? How did they come in and how did they leave? Did they even leave? WAKE UP, SANDRA!

Normal sudoku rules apply. Place the digits 1-9 in every row, column and 3x3 box exactly once each.

Möbius Strip: Row numbers that sum to 10 are connected along the left and right sides of the grid. (For example, R1C1 and R9C9 are considered orthogonally adjacent, as are R2C1 and R8C9, R3C1 and R7C9, etc. Letter outside the grid can be used to help with orientation.)

The grid is partially covered in fog. Entering correct digits will clear the fog from surrounding cells, possibly revealing more clues.

Find the hidden path that runs through the grid by following these rules: The path starts in R1C7 and ends on a similarly marked cell that is hidden somewhere in the fog. Paw prints have cosmetic purposes only.

The path only moves orthogonally and never diagonally. The path can touch itself diagonally, however it is not allowed to touch orthogonally (ie no cell on the path can share edges with more than two other cells on the path). Adjacent digits along the path have a difference of at least 5.

The small numbers in the top left corner of a dashed cage are the sum of the digits that are NOT on the path in each cage. Digits cannot repeat within their own cage.

Digits in cells that are connected by a white dot are consecutive. Digits in cells that are connected by a black dot are in a 1:2 ratio. Not all possible dots are given. (There is no negative constraint.)

Click to play: 3:00 AM