SudokuHard

Hard Sudoku — Puzzle 43

74213
457
94
83
48
214
6931
35
932

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.

749286513
681453279
235917846
867539124
194728365
523164798
456872931
312695487
978341652