SudokuHard

Hard Sudoku — Puzzle 38

5
9423
86
2731
37
7953
891
365
741

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.

523647891
946182357
781539246
297853614
135426789
468791523
879315462
314268975
652974138