Sudoku @ sz.dk

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

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