Sudoku @ sz.dk

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

Estimated difficulty: 10.6 (<8: low, >45: high)