Solve replay for P

Scores

Double Sudoku

Author: Gadji

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Place a digit from 1 to 4 in each empty cell so that each digit appears exactly twice in each row, column, and outlined region. Identical digits cannot share an edge.

Example puzzle

More about this puzzle

Grid control: Click at a cell reveals the value chooser. Click at the selected value changes the state of the cell. More details about grid control are at the help page.