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Fill in the grid with Each occurs exactly once in each row, column, and subgrid.
The diagonals are not considered and the can be present in any order.

  • Our puzzles are completely free. You can play as much as you want.
  • More than 4 trillions grids to solve.
  • All our grids have a guaranteed unique solution.
  • You don't need any plugins to play. All the grids are realised in HTML and Javascript.
  • You can have fun either using the keyboard or the mouse.