Sudoku @ sz.dk

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

Estimated difficulty: 7.6 (<8: low, >45: high)