Sudoku @ sz.dk

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

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