Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 4.5 (<8: low, >45: high)