Sudoku puzzle
Assign a number from 1 to 9 to each blank button in
the 9-by-9 array below. Each number must appear
exactly once in each row, column, and 3-by-3 array.
Select the number to be assigned by clicking on the
correspondingly numbered button in the last row.
Assign the number by clicking on a blank button.
Only correct numbers will actually be assigned.
Hint: try the highlighted buttons first.












<==Select number here