Sudoku @ sz.dk

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

Estimated difficulty: 7.4 (<8: low, >45: high)