Sudoku @ sz.dk

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

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