Sudoku @ sz.dk

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

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