Sudoku @ sz.dk

Max. level of difficulty


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

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