Oni Sudoku No.139

Puzzles for confident solvers, using advanced techniques such as the X-Wing.

Oni Sudoku No.139puzzlelounge.app/nanpure

255389418724928121536184275187

Every column, row and bold 3×3 box holds each digit 1 to 9 once.

See the answer

321695478765384291984217635618573924457928316239146857573469182842731569196852743

Answer to Oni Sudoku No.139

321695478765384291984217635618573924457928316239146857573469182842731569196852743

If you are unsure how to solve, see how to solve sudoku, with tips.