Sternenhimmel

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Rules[edit]

Sternenhimmel Example.png Sternenhimmel Example Solution.png

Place some stars into the grid, so that each arrow points to at least one star and for each star there is at least one arrow pointing at it. Stars cannot be placed in cells with arrows. The numbers indicate how many stars appear in the respective row or column.

(Rules and example from WPC 2019 IB)

History of the puzzle[edit]

Probably of German origin but not ascertained. Since an appearance in 1995 German Nationals is recorded,[1] the puzzle is at least older than that.

The name Sternenhimmel is a combination of two German words, Sternen ("stars") and Himmel ("sky").

Appearances in the past WPCs[edit]

References[edit]