Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 10.7 (<8: low, >45: high)