SudokuHard

Hard Sudoku — Puzzle 61

7
9145
436
475
532
8926
192
829
41

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.

285736914
967214583
143985267
632498175
571362498
894157326
718549632
356821749
429673851