Sudoku Origin :
Sudoku game ,By an architect from Indiana USA in 1979
Invented by Howard GarnsIt has spread all over the world
How to play :
In the grid of 9X9=81,Only numbers from 1 to 9 can be filled in,
and the same row and the same column cannot be repeated,
and divided into nine districts numbers in, cannot be repeated,
follow this rule ,solve puzzles