kurodoko

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Size9×9Typekurodokopuzz.linkOpen in puzz.linkAI Solve Rate3/55Cheapest Solvegpt-5.2@xhigh ($3.1880)Fastest Solvegpt-5.4@xhigh (16m 21s)

Rules

Shade some cells. Numbered cells are unshaded and indicate how many unshaded cells can be seen orthogonally (including itself). Shaded cells are not adjacent. Unshaded cells are connected.