Tag Archives: loop

Puzzle 35: Hitori Rundweg

Here’s another one from the LM preparation. EDIT: new version fixing an ambiguity.

hitori-rundweg

Rules Shade some cells, such that there’s at most one unshaded copy of any number within a row or column. Shaded cells must not share an edge. Then draw a single loop that travels horizontally and vertically between cell centres that visits all unshaded cells.

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