SudokuHard

Hard Sudoku — Puzzle 84

965
93
614
2857
935
687
5
4398
712

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.

842967153
579413286
361285497
283571649
617849325
954326871
125698734
436752918
798134562