Kuromasu (Double) by Murat Can Tonta

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Kuromasu by Murat Can Tonta


or solve online (using our beta test of Penpa-Edit tools; use tab to shift between shading mode and the linex mode where left click+drag draws lines and right click marks X’s)

Theme: Consecutive Partners

Author/Opus: This is the 8th puzzle from guest contributor Murat Can Tonta.

Rules: Shade some dominoes (pairs of empty cells) black so that each number indicates the total count of white cells connected vertically and horizontally to that number including the numbered cell itself. Dominoes cannot share an edge, and all white cells must belong to a single connected group. Or see this example:

Kuromasu by Thomas Snyder

Answer String: Enter the length in cells of each of the white segments from left to right for the marked rows, starting at the top. Separate each row’s entry with a comma. This example has the key “23,15”.

Time Standards (highlight to view): Grandmaster = 4:00, Master = 5:30, Expert = 11:00

Solution: PDF

Note: Kuromasu is a new puzzle for us this week and we are curious to hear what you think of it.

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