Sudoku @ sz.dk

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

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