Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 25.8 (<8: low, >45: high)