Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 16.8 (<8: low, >45: high)