Welcome to happy brains Daily Riddles. On Day 6 we have a Sudoku puzzle.The task is now to place the numbers from 1 to 9 into the empty cells in such a way that in every row, column and 3×3 region each number appears only once It is considered to be the toughest and was published by Arto Inkala, a Finnish mathematician.
Go brainies go!
If you are that cool try these too
Lateral thinking to make you feel OMG
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