Sudoku @ sz.dk

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

Estimated difficulty: 7.5 (<8: low, >45: high)