SudokuHard

Hard Sudoku — Puzzle 280

352
6275
6
473
136
8697
42
5948
54

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.

738195642
941627835
652843971
496571328
175382469
823469517
314758296
569214783
287936154