Sudoku @ sz.dk

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

Estimated difficulty: 10.7 (<8: low, >45: high)