Sum Star by Dan Adams

Sum Star by Dan Adams


Theme: Logical

Author/Opus: This is the 1st puzzle from guest contributor Dan Adams.

Rules: Place digits into some cells and shade all remaining cells so that: each dodecagon contains the digits 1-9 exactly once; digits in cells sharing a vertex with a black triangle add up to the indicated clue number without repeats; and shaded cells cannot share an edge with another shaded cell.

Magic Summer Example by Serkan Yürekli

Answer String: Enter the digits in the marked central rows (triangle, hexagon, triangle, …). Use a capital X for shaded cells. Separate each row with a comma. The example has the key “8178XX,243”.

Time Standards (highlight to view): Grandmaster = 16:00, Master = 32:00, Expert = 1:04:00

Solution: PDF

Note: Follow this link for other less common Number Placement puzzles.

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