Sudoku @ sz.dk

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

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