Sudoku @ sz.dk

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

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