Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 7.6 (<8: low, >45: high)