Sudoku @ sz.dk

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

Estimated difficulty: 4.3 (<8: low, >45: high)