Hitori is a japanese puzzle game, played on a grid of squares. Each squares contains a number, and some numbers are duplicated in each row and column. The aim is to fill (black) out the squares so that there are no duplicate numbers in any row or column, similar to the a , Sudoku puzzle

• The black squares cannot be adjacent to one another.
• All white (non-painted) squares must form a single continuous area, undivided by black cells.

Hitori samples

Solution to sample puzzles

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