Sudoku @ sz.dk

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

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