Sudoku @ sz.dk

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

Estimated difficulty: 7.5 (<8: low, >45: high)