Oni Sudoku No.257

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

Oni Sudoku No.257puzzlelounge.app/nanpure

618427595396137262524348

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

See the answer

619783245548921637327564891154372986792856413863419752986235174275148369431697528

Answer to Oni Sudoku No.257

619783245548921637327564891154372986792856413863419752986235174275148369431697528

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