Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 4.4 (<8: low, >45: high)