hey @ashkan1001 , that was all your strength. although it took a genius to solve it https://sudoku-devil.vercel.app/game?fid=1107270&isWin=true&time=160&mistakes=0&hints=0&correctCells=49&score=1573&gridSize=9&difficulty=hard&blanks=54 ⚔️ Accept the Challenge ⚔️