Sudoku @ sz.dk

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

Estimated difficulty: 4.1 (<8: low, >45: high)