PlaySudoku.us
Hard · Puzzle #709
4
2
6
6
5
1
3
5
9
2
8
3
6
9
5
7
2
3
4
9
3
2
9
1
9
8
7
"Beauty is the first test: there is no permanent place in the world for ugly mathematics." — G. H. Hardy
"Beauty is the first test: there is no permanent place in the world for ugly mathematics." — G. H. Hardy
Irregular Sudoku (also called Squiggly Sudoku) uses non-rectangular regions instead of 3×3 boxes, requiring different solving strategies.
Irregular Sudoku (also called Squiggly Sudoku) uses non-rectangular regions instead of 3×3 boxes, requiring different solving strategies.