Sudoku @ sz.dk

Max. level of difficulty


					1
	7		2		9		3		5
	6		8			5	7	1
			7		5	6		2
	9	5			2			8	7
		2		1	8		9
		6	1	5			2		4
	5		9		7		8		1
					6

Estimated difficulty: 22.8 (<8: low, >45: high)