Sudoku @ sz.dk

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

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