Sudoku @ sz.dk

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

Estimated difficulty: 10.6 (<8: low, >45: high)