PlaySudoku.us
Easy · Puzzle #90
6
2
9
7
1
7
5
8
4
9
2
6
4
3
1
8
7
4
9
7
5
6
8
3
1
9
4
1
8
3
6
7
5
1
3
2
6
8
5
7
4
1
6
8
2
6
7
3
1
9
Wayne Gould distributed his Sudoku software for free to newspapers — he made his money selling puzzle books.
Wayne Gould distributed his Sudoku software for free to newspapers — he made his money selling puzzle books.
For Evil puzzles, study the Y-Wing technique: it chains three cells into a forced elimination.
For Evil puzzles, study the Y-Wing technique: it chains three cells into a forced elimination.