Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 7.4 (<8: low, >45: high)