SudokuHard

Hard Sudoku — Puzzle 232

18
3982
9361
54
42137
62
42
9257
2

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.

251846379
376591842
894372615
938754126
542618937
167239458
485167293
613925784
729483561