Sudoku @ sz.dk

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

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