I solved this Nightmare level #Sudoku puzzle in 9:20 using autopencil and not hints! EnjoySudoku.com pic.twitter.com/FCW2HXx1BN
I solved this Nightmare level #Sudoku puzzle in 6:22 using autopencil and not hints! EnjoySudoku.com pic.twitter.com/q07mY6myCo
I solved this Nightmare level #Sudoku puzzle in 7:15 using autopencil and not hints! EnjoySudoku.com pic.twitter.com/2a2Gm9bquw