Sudoku @ sz.dk

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

Estimated difficulty: 19.7 (<8: low, >45: high)