Sudoku @ sz.dk

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

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