SudokuHard

Hard Sudoku — Puzzle 147

67
2348
8613
253
475
95
69781
86
2

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.

543289167
712356498
986147325
258761943
471893256
639524781
364975812
125438679
897612534