Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 25.8 (<8: low, >45: high)