Sudoku @ sz.dk

Max. level of difficulty


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

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