Sudoku @ sz.dk

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

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