SudokuHard

Hard Sudoku — Puzzle 7

62354
389
598
732
23
65
957
621
92

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.

896172354
315468279
247359861
673284915
524791683
189635742
951827436
762543198
438916527