Oni Sudoku No.137
Puzzles for confident solvers, using advanced techniques such as the X-Wing.
Oni Sudoku No.137puzzlelounge.app/nanpure
6241213998357216272475998374
Every column, row and bold 3×3 box holds each digit 1 to 9 once.
See the answer
398647152564921378721583694415369827639872415872415936156298743247136589983754261
Answer to Oni Sudoku No.137
398647152564921378721583694415369827639872415872415936156298743247136589983754261
If you are unsure how to solve, see how to solve sudoku, with tips.