Sudoku @ sz.dk

Max. level of difficulty


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

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