SudokuHard

Hard Sudoku — Puzzle 241

672
7145
81
8954
316
497
63
35461

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.

461593872
987142653
532678491
816925347
243786519
759314286
124839765
678251934
395467128