Sudoku @ sz.dk

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

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