SudokuHard

Hard Sudoku — Puzzle 141

3986
597
842
746
29781
3
718
529
8

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.

237491865
659827413
841356927
174638259
362945781
985712346
796184532
518273694
423569178