Sudoku @ sz.dk

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

Estimated difficulty: 25.8 (<8: low, >45: high)