Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 16.8 (<8: low, >45: high)