Sudoku @ sz.dk

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

Estimated difficulty: 13.7 (<8: low, >45: high)