Daily puzzle (2021-01-29)

Scores

Fortress Sudoku

Author: Andrey Bogdanov

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Fill the grid with the digits from 1 to N so that each row, column and outlined area contains each digit exactly once. A digit placed in a grey cell should be greater than digits in adjacent white cells.

Example puzzle

Grid control: Click the mouse button at the selected cell to change the filling of the cell. More details about grid control are at the help page.