Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 4.3 (<8: low, >45: high)