Sudoku @ sz.dk

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

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