Sudoku @ sz.dk

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

Estimated difficulty: 10.7 (<8: low, >45: high)