Sudoku @ sz.dk

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

Estimated difficulty: 4.2 (<8: low, >45: high)