Sudoku @ sz.dk

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

Estimated difficulty: 13.7 (<8: low, >45: high)