SudokuHard

Hard Sudoku — Puzzle 210

385
147
42
5679
971
467
129
82
458

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.

239718564
681245379
574693812
156827943
397154286
428369751
712986435
865432197
943571628