SudokuHard

Hard Sudoku — Puzzle 214

987
814
629
9253
27
81
36
835
7629

How to play

Fill every row, every column and every 3 by 3 box with the numbers 1 to 9, using each number once.

This puzzle has 26 given numbers and exactly one solution, so it can always be finished by reasoning alone.

932487165
871596342
645132978
497628531
216375489
358914627
523749816
189263754
764851293