Sudoku @ sz.dk

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

Estimated difficulty: 13.8 (<8: low, >45: high)