Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 10.7 (<8: low, >45: high)