Irregular sudoku puzzle: Enter a solution to solve and play online
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Rules of the game
Our irregular Sudoku puzzles are 9 X 9 sudoku. Instead of having nine 3 X 3 square areas, these 9 areas are irregular shapes. The rules are the same as for a classic sudoku. You need to find by deduction nine different digits by row, column and area.
Browser
We recommend Google Chrome which is easy to use and displays with impressive speed advice and various solutions sent by the server.
Directions
This page allows you to enter the solution of an irregular sudoku grid.
Entering a number with the mouse:
• Select your square by clicking in it.
• Click on one of the numbers in the left column.
Entering a number with the keyboard:
• You can move the cursor with the four arrow keys and the Tab key on the keyboard.
• Type the number in the appropriate square.
The numbers in blue are those of the puzzle and cannot be changed.
Tips
The button (Tip for a square) displays all the squares which accept a solution with the basic solving methods. This aid is very useful and sometimes disconcerting for beginners wanting to learn about this version of Sudoku.
The button (Check/resolvability) checks that numbers are not repeated and ensures the consistency of the puzzle without giving the solution.
