SudokuHard

Hard Sudoku — Puzzle 226

421
357
2495
762
6529
94
2753
938

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.

947821365
268395741
531467982
382649157
719583624
654172839
193256478
826714593
475938216