SudokuHard

Hard Sudoku — Puzzle 239

795
3527
541
71
3
69543
6751
4
486

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.

741689325
359217684
826534179
973841562
485326917
612795438
298463751
167958243
534172896