Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 7.6 (<8: low, >45: high)