Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 22.8 (<8: low, >45: high)