Sudoku @ sz.dk

Max. level of difficulty


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

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