Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 7.5 (<8: low, >45: high)