Sudoku @ sz.dk

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

Estimated difficulty: 7.6 (<8: low, >45: high)