Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 16.7 (<8: low, >45: high)