Sudoku @ sz.dk

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

Estimated difficulty: 10.6 (<8: low, >45: high)